Slit-lamp and retro-illumination lens photographs were graded for the presence of incident cataract and evidence of cataract surgery.
Incident posterior subcapsular cataract was associated with any myopia (OR 2.1, 95% CI 1.0–4.8), moderate to high myopia (−3.5 D or less, OR 4.4, 95% CI 1.7–11.5), and use of distance glasses before age 20 (OR 3.0, 95% CI 1.0–9.3), after adjustment for multiple potential confounders, including severity of nuclear opacity.
Methods A 5-year prospective follow-up of the population-based BMES cohort, who were initially examined in 1992.
After 5 years, 2335 survivors of 3654 (75.1%) baseline BMES participants were re-examined.
Objective refraction was performed with an autorefractor, followed by subjective refraction with a logarithm of minimum angle of resolution (log MAR) chart.
Emmetropia was defined as a spherical equivalent refraction between 1 D and −1 D, hyperopia as more than 1 D, and myopia as less than −1 D.