CataractPhotographyLens Nucleus, CrystallineLens Cortex, CrystallinePosterior Capsule of the LensLens Capsule, CrystallineLens, CrystallineCapsule OpacificationCataract ExtractionCorneal OpacityVisual AcuityCytapheresisWisconsinEye DiseasesAgingVision DisordersLensesContact LensesLens DiseasesPrevalenceLenses, IntraocularHematomaOdds RatioCrystallinsRisk FactorsContact Lenses, HydrophilicCross-Sectional StudiesAge Factors