Abstract : Cosmetic Soft Contact Lenses are expected to affect the contrast sensitivity function to some extent. The study was performed to determine the effect of cosmetic SCL on the contrast sensitivity of the normal CL wearers.
MATERIALS & METHODS: In this study 25 CL users fulfilling the following criteria were enrolled.
• Age range between 11-30 years.
• Pupil size 4-7mm in moderate illumination.
• Visual acuity of 6/6 with no refractive correction in both the eyes (separately).
Exclusion Criteria (history of one or more):
• Glaucomatous or/ and neurological visual field defects.
• Moderate to severe dry eyes (where CLs are contraindicated).
• Presence of corneal scar or lenticular opacity.
• Allergic to any ingredient of the CL solutions
Informed consent was taken from all the CL wearers enrolled for the study. All wearers were worked up in the CL clinic & complete history (Family, Ocular & Occupational), ocular examination on Slit Lamp bio-microscope, evaluation of cosmetic SCL Fitting & Contrast sensitivity testing with & without CL were recorded. Finally, the values were compared statistically with paired student’s t-test.
RESULTS: Percentage change in average contrast sensitivity was found to be 7.12%, 7.60% & 5.32% in R/E, L/E & B/E respectively.
CONCLUSION: Cosmetic soft Contact lenses could be used for occasional wearing purposes and also for cosmetic purposes in case of disfigured eyes with special care and regular follow-up.