Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Cataract ?
    ### Response:
    Yes. Although most cataracts are related to aging, there are other types of cataract. These include - secondary cataract  - traumatic cataract  - congenital cataract  - radiation cataract. secondary cataract traumatic cataract congenital cataract radiation cataract.
    