Maida Ahmed, Ramiesha Marium, Muhammad Usama, Luqman Meer.
Prevalence of Presbyopia amongst Smokers.
Ophthalmol Update Jan ;16(3):813-6.

Aim: Prevalence of presbyopia among smoking population METHODOLOGY: A comparative cross-sectional study was carried out in sir Ganga Ram Hospital Lahore. Within the context of this survey, 285 eligible participants over 30 years age were randomly selected for interview and underwent near vision testing. Of these, 152 participants were smokers and formed the case group and 152 non-smoking people were considered control participants. Functional presbyopia was defined as requiring at least +0.75 diopter in order to read the N8 optotype at a distance of 35 cm in the participant`s usual visual state. Optometric and ophthalmologic examinations were performed on all participants. presbyopic correction coverage were calculated and the results were analyzed using SPSS program with P<0.05. RESULTS: A total of 300 participants` records were evaluated. Of those, 150 cigarette smokers were categorized as samples and 150 normal patients as control group. 90 patients with ages between 35-37 year among smoking group needed to use glasses for near tasks, but nobody in normal group needed presbyopic glasses. There were significant differences in the age of onset and or progression of presbyopia were detected between smoking and normal patients (p<0.05). CONCLUSION:. The results of this study indicate that the onset of presbyopia among smoking group was earlier than normal group. Statistically significant difference in the age of onset and progression of presbyopia was found between smoking and non-smoking patients.

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