Schmidt et al developed a classification and regression tree (CART) for predicting visual outcome after an open globe injury.
(1) relative afferent papillary defect (RAPD)
(2) initial vision
(3) eyelid laceration
(4) wound location (zone)
hand move-ment or better
Zone 1 or 2
no light perception
• Zone 1 is cornea and limbus, Zone 3 is posterior including macula and optic nerve, with Zone 2 inbetween
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Specialty: Ophthalmology, Emergency Medicine, Surgery, general