Two photographs were taken of each patient’s retina. Additionally, patients were asked to complete questionnaires detailing their diabetes history, severity of disease, associated eye conditions and laser surgery history. The questionnaire and p...
Corneal disease, glaucoma, diabetic retinopathy, and refractive error were less common causes of vision loss. Table 4 Causes of vision loss based on the North American definition Full size table Our figures were compared to the CNIB registry for Prince George to determine the percentage of ...