The macula is located in the rear area of the eyes. It is a very important area of the eyes where photoreceptor cells exist. The main function of the macula is a central vision, to distinguish the small things and for color. A person's daily life activities such as reading, driving, and facial recognition depend on the intact macula function. If we take the human eyes as a camera, the macula would be the central sensitive exposure area, like camera film. The main reason for macular degeneration is still not very clear, most doctors believe it is the result of hereditary factors and environmental factors. The most significant risk factor is age, this disease mainly occurs in people more than 55 years old.
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