The study of correlation between advancing age, foveal sensitivity and visual acuity
Journal Title: MedPulse -International Medical Journal - Year 2016, Vol 3, Issue 5
Abstract
Aim: To study correlation between ageing and corresponding foveal sensitivity and visual acuity in subjects and to study the rate of decrease of foveal sensitivity with age. Materials and Methods: Two hundred and fifty eyes of 125 normal subjects from age group 5 to 64 years were examined for visual acuity by Snellen’s chart. After detail eye examination, foveal sensitivity of each subject was recorded in dB on Humphrey’s automated perimeter. All the results obtained were averaged and ‘p’ value was determined. Results: The mean foveal sensitivity in males of all age groups was 36.92dB and that in females was 35.5 dB. Male eyes were more sensitive than females by 1.42 dB. The mean foveal sensitivity was found to be decreased by 2.88dB throughout in advancing age at the rate of 0.48 dB/decade; however there was no effect on visual acuity of the group, average being 6/6 in all age groups. Conclusion: There is decrease in mean foveal sensitivity in advancing age group. The decrease in mean foveal sensitivity was 0.48 dB/decade. Visual acuity has not suffered loss with advancing age.
Authors and Affiliations
Cherekar G N, Yogita Phadke, Sarika Gadekar, Anisha Rathod
Keywords
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