Effects of Myopia on Visual Evoked Potentials in Patients at Tertiary Care Hospital

Objective: To determine the effects of myopia on Visual Evoked Potentials among subjects attending eye OPD. Study design and setting: This was a cross-sectional study with non-probability convenience sampling technique carried out at Department Ophthalmology, Peoples Medical College Hospital Nawabshah / GMMMC Sukkur from March 2021 to November 2021. Methodology: Total sample size derived be 180. Diagnosed irrespective gender aged 25 45 years were included. Optic atrophy, Extensive retinal disease, any neurological disorder like multiple sclerosis, stroke pathway disorders excluded. SPSS version 25.0 used for data analysis. Results: The mean age patients 39.14 ± 6.73 years. There n=96 (53%) females n=84 (47%) males. In myopic samples pattern stimuli latency P100 in right 92.07 ±5.1 cases (without correction) 82.09 5.8 controls (with significant P-value 0.023, while left 93.55 6.7 83.6 7.0 0.028. Conclusion: Greater myopia; greater Potential (VEP) changes regards amplitude especially being most affected component this regard. It is therefore necessary that every patient who goes VEP test should corrected refractive error.