1. Determining Factors for Fast Corneal Sensitivity Recovery After Pterygium Excision
- Author
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Gemma Julio, Pere Pujol, Aitana Munguia, Enric Mas-Aixala, Pamela Campos, and Universitat Politècnica de Catalunya. Departament d'Òptica i Optometria
- Subjects
Adult ,Male ,0301 basic medicine ,medicine.medical_specialty ,Pterygium excision ,Lesion excision ,Sensation ,Pterygium ,Cornea ,Ulls -- Cirurgia ,Lesion ,03 medical and health sciences ,0302 clinical medicine ,Corneal Sensitivity ,Ophthalmology ,medicine ,Humans ,Schirmer test ,Postoperative Period ,pterygium ,Aged ,Còrnia -- Cirurgia ,business.industry ,Osmolar Concentration ,Cornea--Sensitivity ,lesion excision ,Nociceptors ,Eye--Surgery ,Aparell lacrimal ,Recovery of Function ,Ciències de la salut::Medicina::Oftalmologia [Àrees temàtiques de la UPC] ,Hypoesthesia ,Middle Aged ,Surgical Injury ,medicine.disease ,corneal sensitivity ,eye diseases ,Surgery ,030104 developmental biology ,Ciències de la visió::Optometria [Àrees temàtiques de la UPC] ,Tears ,030221 ophthalmology & optometry ,Female ,sense organs ,medicine.symptom ,business ,tear film features - Abstract
Purpose: To establish determining factors for fast corneal sensitivity (CS) recovery after pterygium excision. Methods: Thirty-two eyes of 14 males and 18 females with primary nasal pterygium were recruited. Differences in CS (in the 4 quadrants and the center using a Cochet–Bonnet esthesiometer), pterygium corneal area (PCA), tear osmolarity, tear break-up time, Schirmer test, and ocular symptoms were analyzed before and 1 month after lesion excision. The relationship between CS recovery (difference between the 2 time points; CS1 – CS0) and the other features was assessed. Results: All the studied locations exhibited normal (6 cm) or near-normal mean CS at the 2 time points, except a tendency for moderate hypoesthesia in nasal CS0 (median 4.5; range: 1.5–6.0 cm). Point by point comparison revealed significant postoperative improvements in nasal location (P = 0.008; Wilcoxon signed-rank test) with normal values in 17 eyes (53%) and a median CS1 = 5.0 cm (2.5–5.5 cm) in 15 eyes with no complete recovery. No significant correlation was found between CS0 and the studied variables, and CS1 was only significantly correlated with PCA (rho: -0.441; P < 0.05). CS recovery also showed significant correlation with PCA (rho = -0.516; P < 0.01). Conclusions: CS recovery after pterygium excision showed important variability, and the only studied factor that seems to be determinant could be PCA. It would be advisable to operate when the lesion is relatively small, with lower surgical injury and faster and complete recovery, thus protecting ocular surface homeostasis.
- Published
- 2016