Pilot study compares contrast sensitivity in presbyopic individuals wearing four multifocal contact lens designs, indicating no significant differences under varying lighting conditions.
Key Points
Achromatic contrast sensitivity was similar to spectacles, highlighting the effectiveness of multifocal contact lenses.
Statistically significant differences observed only at specific spatial frequencies, particularly for 3 cpd under room light.
Chromatic contrast sensitivity mechanisms presented differences from baseline measurements that require further research.
No remarkable differences found between the four multifocal contact lens designs under comparison.