The Ocular Surface Chemical Burns

Table 1

Roper-Hall classification for the severity of ocular surface burns.

Grade	Clinical findings		Prognosis
	Cornea	Conjunctiva/limbus
I	Corneal epithelial damage	No limbal ischemia	Good
II	Corneal haze, iris details visible	<1/3 limbal ischemia	Good
III	Total epithelial loss, stromal haze, and iris details obscured	1/3–1/2 limbal ischemia	Guarded
IV	Cornea opaque, iris and pupil obscured	>1/2 limbal ischemia	Poor