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New research · Ophthalmology
Indian journal of ophthalmology · 3d
Cross-sectionalIndian journal of ophthalmology · 2026

Impact of contrast sensitivity on driving behaviors in individuals with moderate-to-severe glaucoma.

Navdeep Kaur, Parul Ichhpujani, Suresh Kumar, Varnika A Singh
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OphthalmologyCross-sectional

Worse lower-right peripheral contrast sensitivity is linked to greater driving difficulty in glaucoma.

Impact of contrast sensitivity on driving behaviors in individuals with moderate-to-severe glaucoma.

Navdeep Kaur … Varnika A Singh
Indian journal of ophthalmology · 2026
Purpose

This study aimed to investigate the relationship between contrast sensitivity (contrast sensitivity) and driving performance in individuals with moderate to severe glaucoma, using the Pelli-Robson (Pelli-Robson) chart and Spaeth/Richman Contrast Sensitivity (SPARCS) test.

Methods

Cross-sectional observational study.

n = 90 eyes
Results
ρ = 0.51
worse lower-right side vision more strongly tied to greater trouble driving
n = 90 eyes
More results

Significant correlations were observed between contrast sensitivity and driving behaviors in the worse eye.

Driving space scores were positively correlated with Pelli-Robson ( ρ = 0.33, P = 0.027) and total SPARCS scores.

“
Conclusion · 1 of 3

Contrast sensitivity, especially in peripheral regions, is significantly associated with driving difficulties, reduced driving space, and dependency on others in individuals with glaucoma.

Conclusion · 2 of 3

The worse eye's contrast sensitivity measures have a stronger correlation with these driving-related factors. CLINICAL IMPLICATIONS: SPARCS correlates with structure and behavior, making it a holistic functional biomarker.

Conclusion · 3 of 3

Peripheral contrast sensitivity loss predicts functional self-regulation even before driving cessation.

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