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Purpose There is no widely accepted treatment for persistent/chronic central serous chorioretinopathy. The present study aimed to evaluate the efficacy, safety, and factors associated to treatment response to navigated micropulse laser in chorioretinopathy. Methods Retrospective observational case series including consecutive patients presenting with symptomatic persistent and chronic chorioretinopathy. All patients were treated with 5% navigated micropulse laser with the Navilas system (Navilas®, OD-OS GmBH, Teltwo, Germany), by overlying fluorescein angiography, indocyanine green angiography and/or spectral domain-optical coherence tomography images of visible leaking points and/or choroidal hyperpermeability/subretinal fluid to plan the laser treatment. Results Thirty-nine eyes of 36 consecutive patients (29 men and 7 women, with a mean age of 51.87 years) were included. Logarithm of the minimum angle of resolution (LogMar) best-corrected visual acuity increased from 0.39 ± 0.24 at baseline to 0.24 ± 0.22 at 3 months ( p Conclusion Navigated micropulse laser laser treatment was found to be effective and safe for the treatment of chorioretinopathy, with significant improvement in visual and anatomical outcomes, unaccompanied by any adverse event at 3 and 6 months follow-up. Factors associated to subretinal fluid resolution may allow a better selection of likely responders to navigated micropulse laser treatment.

Purpose To report intraretinal hyperreflective lines related to various macular conditions. Methods All cases were imaged with color photographs, autofluorescence images, and spectral-domain optical coherence tomography, some with fluorescein and/or indocyanine green angiography. Demographic data, imaging, course and outcome were retrospectively analyzed. Results Forty-nine eyes of 43 patients (16 men and 27 women) were included. Hyperreflective vertical lines (38 eyes) or curvilinear lines along the Henle fiber layer (11 eyes) were present in association with various macular conditions: adult vitelliform dystrophy or pattern dystrophy (24 eyes) frequently associated with an epiretinal membrane (six eyes) and/or thick choroid (nine eyes), age-related maculopathy or macular degeneration (nine eyes), partial resorption of subretinal or intraretinal hemorrhages (five eyes), idiopathic macular microhole (two eyes), vitreomacular traction (three eyes), multiple evanescent white dot syndrome (three eyes), fundus flavimaculatus (two eyes), and pachychoroid pigment epitheliopathy (one eye). The lines fully vanished in cases of hemorrhages, multiple evanescent white dot syndrome or resolution of vitreomacular traction, but usually persisted with gradual thinning in the other conditions. Conclusion The present series showed that intraretinal hyperreflective lines could occur in various inflammatory, degenerative, or tractional conditions. They could reflect a previously unrecognized reaction to various photoreceptor, Muller cell, and/or retinal pigment epithelium damage.

International audience; Purpose: Macular edema is a common retinal disease which may leave important anatomical and functional sequelaes. Directional fundus imaging consists of comparing on- and off-axis images to reveal angle-dependent reflectance properties of fundus structures, which may be related to misaligned photoreceptors. Here, we analyzed directional optical coherence tomography (OCT) and flood-illumination adaptive optics ophthalmoscopy images to detect evidence of misaligned photoreceptors following macular edema.Methods: Transversal, observational study. Nine patients having recovered a normal macular profile after macular edema due to retinal vein occlusion were included. For each patient, a reference OCT scan (i.e., with the incident beam normal to the fovea) was acquired, and off-axis scans were then acquired by laterally shifting the entry pupil. In addition, in four of these eyes, directional adaptive optics ophthalmoscopy documented the directional variations of cone metrics.Results: Included patients comprised two women and seven men (age range, 19–76 years). Reference OCT scans showed patchy attenuation of the cone outer segment tips and to a lesser extent of the inner segment/outer segment lines in all, but two eyes; these. Increased intensity of the cone outer segment tips and inner segment/outer segment lines could be observed on off-axis scans. Accordingly, fusion images showed 66% average reduction of the length of cone outer segment tips attenuation. In two cases, although reference scans showed continuity of outer bands, focal attenuation was evidenced in off-axis images. Directional adaptive optics ophthalmoscopy imaging showed a strong directional variability of cone counts in these areas, ranging from near absence to roughly two-third of reference values. In each case, directional variations of cone counts paralleled those of the reflectance of outer bands.Conclusion: After macular edema, focal attenuations of the inner segment/outer segment and of the cone outer segment tips lines may be present on OCT. These areas may show a strong directional variability by both OCT and adaptive optics ophthalmoscopy, suggesting that misaligned photoreceptor outer segments contribute to such features. The evaluation of outer retinal damage following macular edema should therefore take into account the optical Stiles–Crawford effect to disambiguate missing from misaligned cones.

PURPOSE To describe optical coherence tomography angiography findings at baseline and during the follow-up of choroidal neovascularization secondary to choroidal rupture (CR) in a patient with kidney transplant treated by a single intravitreal injection of ranibizumab. METHODS The clinical course, conventional multimodal imaging findings including ultra-widefield fundus color photography and fundus autofluorescence (Optos California, Marlborough, MA), spectral-domain optical coherence tomography (SD-OCT Spectralis; Heidelberg Engineering, Heidelberg, Germany), fluorescein angiography (FA; Heidelberg Engineering, Heidelberg, Germany), indocyanine green angiography ,and optical coherence tomography angiography (Plex-Elite, Carl Zeiss Meditec, Inc, Dublin, CA) findings at baseline and during the follow-up of a patient with choroidal neovascularization secondary to CR. RESULTS A 19-year-old young man with a history of blunt trauma presented with acute visual decline of the right eye. He had a systemic history of kidney transplant. His best-corrected visual acuity was 20/200 in the right eye and 20/20 in the left eye at baseline. Funduscopic examination and ultra-widefield fundus autofluorescence imaging revealed a double vertical macular lesion corresponding to a CR in the right eye. Spectral-domain optical coherence tomography, fluorescein angiography, and indocyanine green angiography revealed active Type 2 choroidal neovascularization secondary to the CR. Optical coherence tomography angiography showed a high-flow neovascular network consistent with conventional multimodal imaging. One month after intravitreal injection of ranibizumab, bestcorrected visual acuity was 20/100, optical coherence tomography angiography showed a contraction and remodeling of the neovascular flow, and exudative signs disappeared on multimodal imaging. No side effect was detected. CONCLUSION Optical coherence tomography angiography is able to detect choroidal neovascularization secondary to CR at baseline and during the follow-up after a single intravitreal injection of ranibizumab. Ranibizumab was effective in the treatment of this sight-threatening lesion in a patient with a history of kidney transplant.

BACKGROUND AND OBJECTIVE: To evaluate the anatomical and functional outcome of selective photocoagulation of capillary macroaneurysms (CMAs) by navigated focal laser. PATIENTS AND METHODS: Consecutive patients with solitary or secondary CMAs greater than 150 mm in diameter were included in this analysis. All patients were treated with navigated focal laser and received multimodal imaging. RESULTS: Seventeen eyes of 17 patients were retrospectively analyzed. Navigated laser photocoagulation of the CMAs successfully occluded 100% of the CMAs, inducing significative improvement in best-corrected visual acuity at 3 ( P = .002) and 6 months ( P = .001) and a decrease in central macular thickness (CMT) at 3 ( P = .0004) and 6 months ( P = .0004). CONCLUSIONS: Solitary or secondary CMAs arising from retinal capillaries are candidates for navigated laser treatment. Navigated focal treatment was able to close all CMAs in this series with an improvement in vision and CMT. [ Ophthalmic Surg Lasers Imaging Retina . 2021;52:366–373.]

Introduction: To evaluate the effects of the Navilas system guided by optical coherence tomography angiography for advanced macular neovascularization (MNV) secondary to age-related macular degeneration (AMD). Methods: Prospective case-series including nine eyes presenting with advanced MNV with persistence of exudative signs, no longer responding to anti-VEGF therapy, best-corrected visual acuity at least of 1.3 logMar. All patients were treated with Navilas guided by overlaid optical coherence tomography angiography (OCTA) images at the site of branching large neovascular trunks. Results: Occlusion of large neovascular trunks successfully occurred in all nine included patients. OCTA analysis revealed, at 1 month follow up, MNV total area decreasing from 6.2 ± 3.1 to 2.6 ± 3.4 mm2. At 6 months follow up, mean MNV area was 3.3 ± 3.4 mm2 ( p = 0.008). Conclusion: This preliminary study showed that Navilas treatment guided by OCTA may represent an attractive therapeutic option in advanced neovascular lesions secondary to AMD.

Purpose To report a case of choroidal neovascularization (CNV) secondary to laser injury imaged by optical coherence tomography angiography (OCTA) and treated by intravitreal anti-vascular endothelial growth factor (VEGF). Observations A 14-year-old boy presented with vision loss and central scotoma in the right eye (RE) in the last month, after having stared at the beam of a laser pointer. At presentation, his best-corrected visual acuity (BCVA) in the RE was 20/40 and spectral-domain OCT (SD-OCT) showed an interruption of ellipsoid zone and the presence of an hyperrelfective lesion in subfoveal region. OCTA examination revealed the presence of a high-flow lesion on both outer retina to choriocapillaris (ORCC) and choriocapillaris segmentations. The patient was treated by one anti-VEGF injection: at one month follow-up his BCVA in the RE was 15/20. SD-OCT revealed the complete resolution of hyperreflective lesion and no detectable flow on OCTA. Conclusions and Importance Retinal laser injury may be complicated by CNV. OCTA may non-invasively assess the presence of CNV, as well as treatment-response.

BACKGROUND AND OBJECTIVE: To compare capillary density (CD) changes assessed by optical coherence tomography angiography (OCTA) during diabetic retinopathy (DR) progression using three previously published methods: binarization, skeletonization, and automated flow density (AFD). PATIENTS AND METHODS: Retrospective study of 98 eyes of 74 patients with diabetes and 18 control eyes imaged using OCTA. The macular CD at each stage of DR was assessed using the three methods and were compared to control eyes. RESULTS: AFD was the only method that detected differences between controls and severe nonproliferative DR eyes. The three methods showed a significant difference in CD between controls and eyes with proliferative DR, except for the “fovea” area. CONCLUSION: Only one of the three methods allowed for the detection of changes from the normal capillary density as early as at the “severe nonproliferative DR” stage due to several refinements from the basic technique. [ Ophthalmic Surg Lasers Imaging Retina. 2017;48:378–384.]

PURPOSE To evaluate vascular density (VD), fractal dimension, and skeletal density on optical coherence tomography angiography in eyes with idiopathic foveal hypoplasia (IFH). METHODS Patients presenting with IFH to Creteil University Eye Clinic between January 2015 and October 2018 and age-matched healthy controls were retrospectively evaluated. Vascular density, skeletal density, and fractal dimension analyses were computed on optical coherence tomography angiography superficial capillary plexa (SCP) and deep capillary plexa (DCP) images on the whole image using a custom algorithm. Vascular density on the central 1 mm and the peripheral 8 mm for the two groups was performed. RESULTS Thirty-six eyes of 21 patients (18 eyes with IFH and 18 control eyes) were included. A decrease of VD at the level of the SCP and DCP was found in eyes with IFH compared with healthy control eyes (P = 0.005 for VD at the level of the SCP and P = 0.003 for VD at the level of the DCP, respectively). On the central 1 mm, VD was decreased in healthy eyes (32.3% ± 4.8) at the level of the SCP compared to IFH eyes (55.6% ± 46.3) (P < 0.001). Skeletal density was decreased in IFH eyes in both SCP and DCP (P =< 0.001). Fractal dimension was lower in IFH eyes in both SCP and DCP (P < 0.001). CONCLUSION Vascular density, skeletal density, and fractal dimension are reduced at the level of SCP and DCP in patients with IFH compared with controls, reflecting a particular anatomical and vascular organization. Quantitative analysis using optical coherence tomography angiography could help to evaluate the severity of IFH.

To compare the pain and the duration of a panretinal photocoagulation (PRP) session using a conventional multispot laser (Quantel Medical) versus the Navilas® laser. Treatment-naive patients requiring bilateral PRP for diabetic retinopathy were included. For each patient, PRP was carried out using a conventional multispot laser (Quantel Medical, 577 nm) in one eye and the other eye was treated with the Navilas laser (OD-OS, 577 nm). For both PRP treatments, similar parameters (same power, exposure time, number, size and spacing of the spots) were used. For each eye, the duration of the session and the pain, measured using respectively a chronometer and a visual analogic scale (VAS), were recorded. Thirty-two eyes of sixteen patients (mean age 57 ± 13 SD, range 28–74), 11 men and 5 women, have been included. A mean of 1289 (1000–1500) spots with a mean power of 352 mW (300–450 mW) and an exposure time of 27 ms (20–30 ms) were delivered. The PRP session with the Navilas laser (mean time of 5.2 ± 0.8 min) was faster than with the conventional multispot laser (6.6 ± 1.1 min) (p = 0.02). Laser-induced pain was significantly reduced (VAS of 2.4 ± 1.6) using the Navilas laser compared to conventional laser (VAS: 7.1 ± 2) (p

Purpose To assess the variations induced by exercise in retinal vascular density (VD), foveal avascular zone (FAZ) area, and fractal dimension (FD) at the superficial (SCP) and deep (DCP) capillary plexa in healthy subjects by means of optical coherence tomography angiography (OCT-A). Methods Consecutive healthy subjects were prospectively included into two groups, ranging in age from 18 to 29 years for group 1 and from 30 to 40 years for group 2. Data from 3 × 3-mm OCT-A acquisition centered on the macula at SCP and DCP (VD, FAZ area, and FD), heart rate, and systolic-diastolic blood pressure were collected before and after a 20-minute standardized physical exercise on a stationary bicycle. Results Both eyes of 32 healthy volunteers were prospectively included (15 in group 1 and 17 in group 2). Mean age was 27 ± 7 years. In the overall analysis and for each group, a decrease of VD at the level of SCP and an increase of FD at the level of DCP were significant after exercise. A significant correlation was found between these modifications of retinal vascularization and the increase of systolic blood pressure induced by exercise. All cardiovascular parameters increased significantly with exercise. No significant difference was found between the two groups, and no incident was reported. Conclusions A significant correlation was established between systemic cardiovascular modifications (reflected by systolic blood pressure) and local retinal vascularization changes at SCP during exercise. A rest period might be recommended before OCT-A data acquisition, as modifications of cardiovascular parameters could distort retinal vascular data.

Purpose To study the relationship between the location of cystoid spaces and retinal capillary nonperfusion areas in diabetic cystoid macular edema (DCME). Methods In this retrospective study, 24 eyes of 21 patients with chronic DCME were followed using optical coherence tomography angiography. The capillary density of the superficial capillary plexus and deep capillary plexus was measured using AngioAnalytics software in all DCME eyes and in 20 healthy controls. Diabetic cystoid macular edema improved spontaneously or after treatment in 11 eyes. Results The intraretinal cystoid spaces were surrounded by capillary-flow void areas in the superficial capillary plexus in 71% of cases and in the deep capillary plexus in 96% of cases. The deep capillary plexus had lost its regular pattern in all cases. The capillary density was decreased in both plexus (mean decrease of -23.0% in the superficial capillary plexus and -12.4% in the deep capillary plexus vs. normal). In the 11 cases with DCME resolution, the capillary did not reperfuse in areas of resolved cystoid spaces, and the capillary density did not change significantly. Conclusion In chronic DCME, cystoid spaces were located within capillary dropout areas. No reperfusion occurred after DCME resolution. The impact of the severity of this nonperfusion on the risk of recurrence of DCME remains to be clarified.

Resume Introduction Devant une recidive exsudative de degenerescence maculaire liee a l’âge, dans le cadre d’un suivi en pro re nata (PRN), il peut etre prescrit deux ou trois injections intra-vitreennes (IVT) selon le tableau clinique. Notre objectif est d’evaluer la pertinence de la tomographie en coherence optique (OCT) realisee immediatement avant ces IVT programmees afin de confirmer ou d’annuler leur realisation, et apprecier l’evaluation medico-economique des deux approches, injection systematique, versus injection apres controle. Materiels et methodes Etude retrospective monocentrique ayant inclus 292 yeux atteints de DMLA exsudative recidivante pour laquelle 2 ou 3 IVT avec controle OCT pre-IVT ont ete programmees entre le 1 er janvier et le 30 avril 2014. Tous les patients ont recu une premiere IVT systematique dans les 7 jours suivant le diagnostic de recidive. Puis, les jours de la deuxieme et de la troisieme IVT programmee, chaque patient a eu une mesure de l’acuite visuelle (AV) et un examen en Spectral domain-OCT (Spectralis, HRA Heidelberg Engineering) de l’œil atteint. Cette evaluation a permis de maintenir ou d’annuler l’indication de l’IVT. Les traitements anti-VEGF utilises etaient le ranibizumab ou l’aflibercept. Le test de Chi 2 a ete utilise pour les comparaisons des variables qualitatives et le test de Wilcoxon apparie pour les variables quantitatives. Resultats Deux cent quatre-vingt-douze yeux consecutifs ont ete inclus ; 172 dans le groupe « 2 IVT programmees » (groupe A) et 120 dans le groupe « 3 IVT programmees » (groupe B). Au 1 er controle, a 1 mois, 37,6 % des IVT programmees ont ete annulees suite a l’OCT realisee le jour-meme (44,1 % dans le groupe A et 28,3 % dans le groupe B). Au 2 e controle, 33,3 % des IVT ont ete annulees dans le groupe B. Au total, 150/412 (36,4 %) des IVT programmees ont ete evitees, tous patients confondus. La presence de decollement sereux retinien, d’œdeme retinien et l’augmentation de l’epaisseur maculaire centrale etaient statistiquement correlees a un maintien de l’IVT aux deux controles ( p p p = 0,002, respectivement). L’economie pour la societe a ete de 429,8 euros par patient. Conclusion Un taux moyen de non-injection de 36,4 % des IVT programmees a ete retrouve dans ce schema de gestion des recidives avec OCT le jour de l’IVT. L’OCT realisee immediatement avant IVT programmee permet d’eviter un tiers d’injections inutiles et presente un avantage medico-economique certain.

Purpose To document directional reflectivity of fundus lesions in a case of acute macular neuroretinopathy. Methods Case report. Clinical and imaging data from a patient with acute macular neuroretinopathy were reviewed. Imaging comprised infrared scanning laser ophthalmoscopy, optical coherence tomography and flood-illumination adaptive optics images acquired through different entry pupils in the cardinal directions (approximately 2° eccentricity). Results The patient reported acute bilateral paracentral scotoma revealing dark, wedge-shaped macular plaques which by optical coherence tomography were associated with focal loss of the visibility of the cone outer segment tip and inner/outer segment lines. Comparing scanning laser ophthalmoscopy images taken at different entry points in the pupil showed that macular plaques varied from hyporeflectance to isoreflectance. Cone counts by flood-illumination adaptive optics within plaques and optical coherence tomography features of the cone outer segment tip showed also a strong directional variability, peaking at near-normal values. Within each modality, fusion images showed that directional variability covered most of macular plaques. Conclusion The characteristic fundus abnormalities of acute macular neuroretinopathy may show a strong directional variability. Our findings suggest that the Stiles-Crawford effect may be an important factor in signs and symptoms of acute macular neuroretinopathy.

Purpose. To compare the qualitative and quantitative choroidal neovascularization (CNV) changes after antivascular endothelial growth factor (anti-VEGF) therapy in treatment-naïve and treated eyes with age-related macular degeneration (AMD) using optical coherence tomography angiography (OCTA). Methods. Consecutive patients with neovascular AMD underwent multimodal imaging, including OCTA (AngioPlex, CIRRUS HD-OCT model 5000; Carl Zeiss Meditec, Inc., Dublin, OH) at baseline and at three monthly follow-up visits. Treatment-naive AMD patients undergoing anti-VEGF loading phase were included in group A, while treated patients were included in group B. Qualitative and quantitative OCTA analyses were performed on outer retina to choriocapillaris (ORCC) slab. CNV size was measured using a free image analysis software (ImageJ, open-source imaging processing software, 2.0.0). Results. Twenty-five eyes of 25 patients were enrolled in our study (mean age 78.32 ± 6.8 years): 13 treatment-naïve eyes in group A and 12 treated eyes in group B. While qualitative analysis revealed no significant differences from baseline to follow-up in the two groups, quantitative analysis showed in group A a significant decrease in lesion area (P=0.023); in group B, no significant change in the lesion area was observed during anti-VEGF therapy (P=0.93). Conclusion. Treatment-naïve and treated eyes with CNV secondary to neovascular AMD respond differently to anti-VEGF therapy. This should be taken into account when using OCTA for CNV follow-up or planning therapeutic strategies.

Purpose To investigate the appearance of medium–large drusen and reticular pseudodrusen on adaptive optics (AO). Methods In 14 consecutive patients, AO infrared (IR) images were overlaid with confocal scanning-laser-ophthalmoscope IR reflectance images and IR-referenced spectral-domain optical coherence tomography. Results In eight eyes of six patients, a total of 19 images of medium–large drusen were investigated by AO imaging. En face AO revealed medium–large drusen as highly hyper-reflective round/oval lesions, always centred and/or surrounded by a continuous/discontinuous hyporeflectivity. Cone photoreceptors were detected overlying drusen, appearing either as continuous ‘bright’ hyper-reflective dots over a ‘dark’ hyporeflective background, or as continuous ‘dark’ hyporeflective dots over a ‘bright’ hyper-reflective background. In eight eyes from eight patients, a total of 14 images of pseudodrusen were investigated by AO imaging. En face AO revealed reticular pseudodrusen as isoreflective lesions, always surrounded by a continuous/discontinuous hyporeflectivity. Cone photoreceptors were detected overlying pseudodrusen as ‘bright’ hyper-reflective dots over either a hyporeflective or isoreflective background. No ‘dark’ hyporeflective dots were detected in eyes with reticular pseudodrusen only. Cone photoreceptors were counted on the border of the drusen and pseudodrusen, respectively, and in a visibly healthy zone in its absolute vicinity. A similar decrease in cone appearance was observed for drusen and pseudodrusen (15.7% vs 16.2%). Conclusions AO allows differences in reflectivity between medium–large drusen and reticular pseudodrusen to be appreciated. The cone mosaics may be detected as continuous ‘bright’ hyper-reflective dots overlying/on the border of drusen and pseudodrusen deposits, and possibly as continuous ‘dark’ hyporeflective dots overlying drusen only.

Background:To describe adaptive optics (AO) imaging of foveal sparing in geographic atrophy (GA) secondary to age-related macular degeneration.Methods:Flood-illumination AO infrared (IR) fundus images were obtained in four consecutive patients with GA using an AO retinal camera (rtx1; Imagine Eyes). Adaptive optics IR images were overlaid with confocal scanning laser ophthalmoscope near-IR autofluorescence images to allow direct correlation of en face AO features with areas of foveal sparing. Adaptive optics appearance of GA and foveal sparing, preservation of functional photoreceptors, and cone densities in areas of foveal sparing were investigated.Results:In 5 eyes of 4 patients (all female; mean age 74.2 11.9 years), a total of 5 images, sized 4 degrees x 4 degrees, of foveal sparing visualized on confocal scanning laser ophthalmoscope near-IR autofluorescence were investigated by AO imaging. En face AO images revealed GA as regions of inhomogeneous hyperreflectivity with irregularly dispersed hyporeflective clumps. By direct comparison with adjacent regions of GA, foveal sparing appeared as well-demarcated areas of reduced reflectivity with less hyporeflective clumps (mean 14.2 vs. 3.2; P = 0.03). Of note, in these areas, en face AO IR images revealed cone photoreceptors as hyperreflective dots over the background reflectivity (mean cone density 3,271 +/- 1,109 cones per square millimeter). Microperimetry demonstrated residual function in areas of foveal sparing detected by confocal scanning laser ophthalmoscope near-IR autofluorescence.Conclusion:Adaptive optics allows the appreciation of differences in reflectivity between regions of GA and foveal sparing. Preservation of functional cone photoreceptors was demonstrated on en face AO IR images in areas of foveal sparing detected by confocal scanning laser ophthalmoscope near-IR autofluorescence.

PURPOSE. To describe focal scleral ectasia in areas of macular/perimacular patchy chorioretinal atrophy secondary to pathologic myopia. METHODS. Thirty-nine consecutive patients with pathologic myopia and chorioretinal atrophy in at least one eye, with and without focal scleral ectasia, were analyzed by infrared reflectance (IR) and/or multicolor imaging, enhanced depth imaging optical coherence tomography (EDI-OCT) (39 patients, 78 eyes), and swept source (SS)-OCT (13 out of 39 patients, 26 eyes) cross-sectional scan. RESULTS. Focal scleral ectasia was found in 12 out of 68 eyes (11 out of 39 consecutive patients, 27 females/12 males; mean age 65.7 +/- 11.9 years) with macular/perimacular patchy chorioretinal atrophy, and was always observed inferior or temporal to the macula (mean 1.25 +/- 0.38/eye). Focal scleral ectasia, appearing on fundus examination as a deep dark round/oval lesion with well-defined borders, was characterized on EDI-OCT and SS-OCT by an abrupt posterior bow of the sclera with different degrees of scleral schisis on its borders. The retinal pigment epithelium and the choroid were absent in all lesions. IR reflectance and multicolor imaging showed large vessels that seem to emerge from the focal scleral ectasia, and crossing the area of patchy atrophy. EDI-OCT and SS-OCT revealed retrobulbar vessels perforating the sclera at the borders/bottom of the abrupt posterior bow of the sclera (i.e., focal scleral ectasia) and running through the superficial scleral thickness for the whole extension of the atrophic area. CONCLUSIONS. We showed that perforating vessels are localized at the border/bottom of focal scleral ectasia in pathologic myopia.