Answer by
GilFinn (2065)
Common causes are: Aging, overexposure to UV radiation such as sunlight, tanning booths, or sunlamps. Diabetes, can result in cataracts. Disease such as glaucoma, chronic uveitis, retinitis pigmentosa, or retinal detachment. Long-term use of steroid medicines. Frequent X-rays to the head. Family history (genetics) Eye injury.