Crooke’s glass is a prophylactic aid consisting of a spectacle lens combined with metallic oxides to absorb ultraviolet or infrared rays and should be used by those who are prone to exposure e.g. Welding workers, cinema operators.
Photophthalmia
Enophthalmia
Xerophthalmia
Enophthalmos
Periorbital hyperpigmentation
Anophthalmia
Exophthalmos
Corneal opacity