Vascular endothelial growth factor (VEGF) spurs retinal angiogenesis in proliferative diabetic retinopathy, but its not the only factor. Researchers at Kyoto University in Japan have identified erythropoietin, which acts independently of VEGF, as a potent ischemia-induced angiogenic factor. However, the researchers havent confirmed erythropoietins role in ocular angiogenesis.

Even after adjusting for high rates of diabetes mellitus, Hispanics in the United States are at a greater risk of developing a visually-impairing cataract than either African-American or white individuals, says a study in Septembers Archives of Ophthalmology. Two of the barriers to surgery: language and financial hurdles.

FDA approvals:
IntraLase received clearance to expand use of its laser to include corneal resection performed in lamellar keratoplasty and penetrating keratoplasty procedures.

Alcons AcrySof Toric intraocular lens received approval for use in cataract patients who have pre-existing corneal astigmatism.

SynergEyes received clearance to market its hybrid contact lens for the correction of hyperopic, myopic and astigmatic refractive errors, including the correction of presbyopia. The lens has a high-Dk rigid gas permeable center with a hydrophilic, non-ionic soft skirt.