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1.
Clin Exp Ophthalmol ; 39(8): 729-33, 2011 Nov.
Article in English | MEDLINE | ID: mdl-22050561

ABSTRACT

BACKGROUND: To evaluate a method for treating uncorrected refractive error in adults in the developing world. DESIGN: Prospective, cross-sectional study in outpatient community health centres. PARTICIPANTS: Eight hundred and forty subjects aged 18 and older from rural villages in Haiti and Belize. METHODS: Undilated refractive error screening exams were conducted over a 5-day period in rural Haiti and Belize using portable autorefractors. Isometropic, spherical, ready-made spectacles were provided to patients with bilateral refractive error, astigmatism ≤ 1 dioptre in each eye and visual acuity worse than 6/9 in each eye. Visual acuity was measured with and without corrective spectacles. MAIN OUTCOME MEASURES: The mean visual improvement and median final visual acuity after treatment with ready-made glasses. RESULTS: Eight hundred and forty patients aged 18 and older were screened with autorefractors. One hundred and eighty-nine subjects (22.5%) were found to have visually significant bilateral refractive error. Fifty-eight per cent (110/189) of these patients met criteria for treatment with ready-made spectacles. Visual acuity improved an average of 4.2 lines in the better eye and 4.1 lines in the worse eye with corrective glasses. The median visual acuity in the better eye was 6/6 after treatment. CONCLUSION: Autorefractors and ready-made spectacles allow for effective treatment of uncorrected refractive error in adults in the developing world.


Subject(s)
Developing Countries , Eyeglasses , Refraction, Ocular , Refractive Errors/therapy , Adolescent , Adult , Aged , Aged, 80 and over , Belize/epidemiology , Cross-Sectional Studies , Equipment Design , Female , Follow-Up Studies , Haiti/epidemiology , Humans , Male , Middle Aged , Morbidity/trends , Outpatients , Prospective Studies , Refractive Errors/epidemiology , Refractive Errors/physiopathology , Treatment Outcome , Visual Acuity , Young Adult
2.
Arq. bras. oftalmol ; Arq. bras. oftalmol;65(4): 409-413, jul.-ago. 2002. tab, graf
Article in Portuguese | LILACS | ID: lil-315440

ABSTRACT

Objetivo: Avaliar comparativamente a longo prazo os resultados cirúrgicos de trabeculectomias nas quais foram utilizadas injeções subconjuntivais de 5-fluorouracil (5-FU) no pós-operatório ou aplicações de mitomicina C (MMC) peroperatória. Métodos: Estudo retrospectivo de 133 olhos submetidos a trabeculectomia primária. Resultados: A pressão ocular não apresentou valores estatisticamente significantes em nenhuma das visitas de pós-operatório quando comparados os grupos em que se utilizou a mitomicina C ou 5-fluorouracil. Em cada um dos grupos analisados separadamente, os níveis da pressão ocular não apresentaram diferenças estatisticamente significantes nos períodos pré e pós-operatório. A incidência de complicações pós-operatórias também não apresentou diferença estatisticamente significante à exceção de alterações epiteliais na córnea, mais freqüentes no grupo tratado com 5-fluorouracil, Nos dois grupos, destacou-se a elevada incidência de desenvolvimento/progressão de catarata. Conclusão: O uso de mitomicina C ou 5-fluorouracil promoveu redução importante e estável da pressão ocular, com índices de complicações semelhantes.


Subject(s)
Humans , Male , Female , Aged , Middle Aged , Glaucoma , Trabeculectomy , Antimetabolites , Fluorouracil , Nucleic Acid Synthesis Inhibitors/pharmacology , Nucleic Acid Synthesis Inhibitors/therapeutic use , Intraocular Pressure , Mitomycin , Postoperative Complications , Retrospective Studies
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