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Purpose: The purpose of this study was to assess the role of combined surgical treatment of therapeutic penetrating keratoplasty and pars plana vitrectomy in the anatomical and functional outcome of infectious keratitis endophthalmitis., Methods: This study reviewed the medical records of 4 participating centers in the United States and Mexico. This study included patients with a clinical diagnosis of infectious keratitis endophthalmitis who had been treated with an early therapeutic penetrating keratoplasty and pars plana vitrectomy as the main treatment for endophthalmitis. From each medical record, the study retrieved demographic data, relevant medical and drug history, baseline clinical manifestation of endophthalmitis, best-corrected visual acuity, and the need for enucleation/evisceration for the control of the infection or any other reason through the follow-up., Results: The study included 48 patients (50.15 ± 20.6 years). The mean follow-up time was 13 ± 0.5 months. The mean best-corrected visual acuity at baseline was 2.1 ± 0.25 logarithm of the minimum angle of resolution. At month 12 was 2.09 ± 0.61 logarithm of the minimum angle of resolution ( P = 0.9). The overall prevalence of enucleation/evisceration was 8.3% (95% confidence interval: 2.32%-19.98%). The prevalence of a vision of no-light perception was 20.8% (95% confidence interval: 2.32%-19.98%)., Conclusions: Combined surgery for severe cases of infectious keratitis endophthalmitis eradicates the infection in most cases, while significantly improving the overall outcomes., Competing Interests: The authors have no funding or conflicts of interest to disclose., (Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.)

Purpose: To translate and validate a Spanish-language adaptation of the 5-Item Dry Eye Questionnaire for the Mexican population., Methods: Based on the MAPI Institute guidelines, the linguistic validation procedures consisted of four steps. Every step was reviewed by the committee. The translated validated questionnaire was applied to 25 Mexican subjects. The questionnaires were completed by the same subjects at three time points, 8 h apart on the same day and then 3 days later. Sensitivity and specificity of the DEQ-5 to predict DE signs was subsequently estimated in 200 patients see in the Asociación para Evitar la Ceguera ophthalmology clinic., Results: During the forward translation step analysis, the committee decided to change the severity scale, as the words "constantly" and "frequently" are synonymous in Spanish, so it was modified by changing "constantly" to "always" for better understanding. Overall, the intra-test intra-class correlation coefficient from tests administered on the same day was 0.9 (95% CI 0.77-0.95, p = 0.0005). The intra-test intra-class correlation coefficient from tests administered 3 days apart was 0.9 (95% CI 0.88-0.97, p = 0.0005). When applying the questionnaire to 200 patients seen in an eye clinic, we found a sensitivity of 76% and a specificity of 31% for a DEQ-5 score of ≥ 6, against 2 or more positive signs of dry eye., Conclusion: MAPI methodology proved to be a reliable strategy for the transcultural Dry Eye Questionnaire for translation from English to Spanish for the Mexican population.