You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Zonular cataract and explain in detail?
i.e. (Developmental cataract): (265-Parson 21st) (172-Khurana 4th)ZONULAR OR LAMELLAR CATARACT - refers to the developmental cataract in which the opacity occupies a discrete zone in the lensMost common types of congenital cataract presenting with visual impaiment*** Usually bilateral* Lineal opacities like spikes of a wheel (called riders) may run outwards towards the equator- Other most common types of developmental cataract- Punctate cataract- Fusiform cataract- Nuclear cataract- Coronary cataract- Anterior capsular (polar) cataract- Posterior capsular (polar) cataract