Table 1.

Criteria for Referral to Eye Care Specialist

Uninterpretable (inadequate) photographs
Severe diabetic retinopathy as evidenced by any of the following:
    Diffuse intraretinal hemorrhage in all 4 quadrants
    Any hard lipid exudate present within 1/3 disc diameter of fovea
    An optic-disc-sized patch of hard lipid exudate, any part of which is within 1 disc diameter of the fovea
    Venous beading present in 2 quadrants
    Any intraretinal microvascular abnormalities
    Any neovascularization
    Any vitreous hemorrhage
Other abnormalities, including retinal scarring or past laser surgery
Any unknown abnormalities