Comparative Analysis of Tinted X-Chrome Contact Lenses And Red Filters On Color Vision Impairment: X-Chrome Lenses and Red Filters on Color Vision

Maryam Jabbar; Amna Aslam; Maryam Faryad; Ayesha Mehboob; Naveera Zahid; Marriam Amjad

doi:10.54393/pjhs.v5i05.1598

Authors

Maryam Jabbar Department of Optometry, The University of Faisalabad, Faisalabad, Pakistan
Amna Aslam Department of Optometry, The University of Faisalabad, Faisalabad, Pakistan
Maryam Faryad Department of Optometry, The University of Faisalabad, Faisalabad, Pakistan
Ayesha Mehboob Department of Optometry, The University of Faisalabad, Faisalabad, Pakistan
Naveera Zahid Department of Optometry, The University of Faisalabad, Faisalabad, Pakistan
Marriam Amjad Department of Optometry, The University of Faisalabad, Faisalabad, Pakistan

DOI:

https://doi.org/10.54393/pjhs.v5i05.1598

Keywords:

Achromatopsia, Red-Green Color Defect, Color Blindness, X-Chrome Contact Lens

Abstract

Accurate color vision is necessary for doing daily tasks efficiently. Even so, numerous individuals experience color vision impairment. Objective: To evaluate and compare the effect of x-chrome contact lenses (CLs) and red filters on color vision deficient. Methods: Cross-sectional study was conducted at Madinah Teaching Hospital, Faisalabad. Data were collected by non-probability purposive sampling technique. Congenital color blindness, 15-35 years, red-green deficient were included. Acquired color blindness, active ocular diseases, systemic diseases were excluded. 30 red-green color vision deficient, divided in 2 groups, 15 used CLs and 15 used RF. Visual acuity, contrast sensitivity, stereopsis and color vision were recorded at baseline and after wearing lenses. Data were analyzed by using SPSS version 23.0. Results: Mean age was 24.53 ± 6.68. After using x-chrome CL, mean number of correctly read plates increased to 22.55 ± 1.27 from the baseline evaluation of 1 ± 1.679 (p=0.00). Comparably, baseline performance was 1 ± 1.89 plates successfully read; using red filters, that number increased to 22.89 ± 1.03 (p =0.00). With red filters, the mean contrast sensitivity decreased from 1.35 ± 0.32 to 1.31 ± 0.56 (p = 0.004), and with x-chrome lenses, it decreased from 1.34 ± 0.45 to 1.32 ± 0.97 (p = 0.02). Mean stereopsis value was 55.33 ± 13.02 prior to x-chrome contact lens insertion; this value decreases to 67.33 ± 12.47 (p = 0.00). Likewise, mean stereopsis value was 54.02 ± 11.05 before to applying red filters, it decreases significantly to 66.89 ± 11.98 (p = 0.00). Conclusions: X-Chrome CLs and red filter has significantly improved color vision. Visual acuity remains unchanged. Contrast sensitivity and stereopsis showed slight reduction in both groups.

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