Long-term, topical insulin administration increases the severity of retinal vascular pathology in streptozotocin-induced diabetic rats.
Koevary SB, Nussey J, Kern TS. Long-term, topical insulin administration increases the severity of retinal vascular pathology in streptozotocin-induced diabetic rats. Optometry. 2007 Nov; 78(11):574-81.