Below is an instruction from Human. Write a response.
    ### Instruction:
    Who is at risk for Cataract? ?
    ### Response:
    Age-related cataracts develop in two ways. - Clumps of protein reduce the sharpness of the image reaching the retina.  - The clear lens slowly changes to a yellowish/brownish color, adding a brownish tint to vision. Clumps of protein reduce the sharpness of the image reaching the retina.
    