WHO definition of blindness in addition to visual acuity of less than 3/60 (Snellen's) also includes a visual field in the better eye equal to or less than:

Unilateral lacrimal gland destruction may be caused by?

General

Most common cause of ophthalmoplegia ?

General

"Bread-crumb" appearance is seen in ?

General

Staphlyoma involvement ?

General

Required for IOL power calculation ?

General