Figure 2. Cognitive Performance Scores According to the Baseline Total Macular Retinal Nerve Fiber Layer (RNFL) Quartile Groups .

Both Consortium to Establish a Registry for Alzheimer’s Disease Neuropsychological Battery total score and Mini-Mental State Examination scores were not different at baseline; however, they differed at the follow-up evaluation. The below-lowest-quartile group showed a greater cognitive decline than the above-lowest-quartile group.

^aP < .05.