Patients with severe loss of visual acuity cannot carry out conventional tests based on pseudoisochomatic test plates and also experience some difficulty with the CAD test. The ACAD test is ideal for use in low vision patents and young children.
Measure visual acuity (VA) and functional contrast sensitivity (FCS) with standard protocols for mesopic and photopic lighting conditions. Acuity-Plus also supports assessment of ‘Visual Crowding.’
Poor spatial vision is often caused by gradual increase in light scatter in older eyes. Large amounts of scattered light also cause increased discomfort glare, particularly during night driving.
Preliminary studies have identified rapid flicker sensitivity as an important biomarker in glaucoma, multiple sclerosis and ocular hypertension. Measures thresholds at the fovea and in each of the four quadrants at the same time.
Test colour vision with 100% sensitivity and specificity in detecting and classifying congenital deficiencies. Includes certification limits for pilots and air traffic controllers as well as age-corrected ‘normal’ limits.