The normal value of Arden index is
Arden ratio = (Maximum height of light peak/Minimum height of dark trough) x 100 Normal curve values are 185 or above. Subnormal curve values are less than 150. Flat curve values are less than 125. Reference : AK KHURANA COMPREHENSIVE OPHTHALMOLOGY, Edition4 , Page-490
1
5-Jan
Less than 18.5
More than 1.85
Anatomy, Development and clinical examination