Prior to contrast sensitivity testing, pupil diameter was measured in the same lighting conditions.
Contrast sensitivity testing was done first in photopic, then in mesopic conditions.
(4,5,6,7) Therefore, contrast sensitivity testing is becoming more common in our routine practice.
With the astonishingly rapid progression of both medical and surgical therapies, the comparison of newly developed methods with gold standard is inadequate, and contrast sensitivity testing gains importance.
Additionally, the instrument incorporates glare testing, grid testing, and contrast sensitivity testing
, features which are helpful for ascertaining whether a patient is a candidate for cataract surgery, and also determining the presence of macular pathologies.