Loss of vision can seriously impair quality of life. Various causes cause vision deterioration in adults, such as age-related macular degeneration (AMD), cataracts or diabetes, among others. The macular degeneration related to age is a disease that causes irreversible destruction of the centre of the retina of the eye which causes loss of vision refined required for many daily activities. The falls, another common form of vision problems, causes blurred vision and affects the ability to see colours correctly. Unhealthy lifestyles, such as smoking, excessive alcohol consumption, and poor diet, which lead to diabetes, contribute to the formation of cataracts.

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