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presbyopia

disease

Presbyopia: definition, causes and symptoms

Presbyopia describes a visual impairment at close range. Strictly speaking, presbyopia is not considered a disease because it comes about through natural processes. But it affects perception and needs to be balanced. Responsible is the eye lens, which should break the incident light from the outside so that it arrives bundled on the retina and can create a sharp picture. In the course of time, various substances deposit in this lens, for example lime. The result is an increasing hardening, which manifests itself in many people from the 40th Age as presbyopia. The eye is no longer able to adjust to nearby objects. Because this is a more or less strong curvature of the lens necessary. However, it lacks the adequate elasticity. Most of the symptoms are noticeable when reading: It is very hard and there is a feeling of pressure in the forehead area. Letters are harder to recognize and are only sharply perceived when a greater distance from the book or magazine is maintained. Some sufferers even keep their reading away with their arms outstretched.

Presbyopia: treatment

A reading glasses corrects the visual impairment in presbyopia. If myopia is present at the same time, bifocals are an option since their lenses have a section for near vision. Progressive lenses gradually and imperceptibly change from the distance to the near range. However, they are not always suitable.

Presbyopia: prevention and self-help

Regular eye exercises (for example, taught at community colleges) can have a positive influence on visual acuity and could prevent presbyopia. To have healthy eyes for as long as possible, you should often eat green leafy vegetables . It contains a lot of lutein. This dye is stored in the macula and acts as a radical scavenger. Thus, the aging process in the eye can be significantly slowed down. Vitamins C, E and A are good protection for the eye. Especially in combination with omega-3 fatty acids, which also neutralize free radicals. In addition, one should protect his eyes from harmful UV rays. A good pair of sunglasses is especially important for stays in high mountains, as the radiation at high altitudes is particularly intense. Just as too long sunbathing ages the skin prematurely, strong sunlight intensifies the aging process of the eyes. It is also important that you go regularly to early detection examinations at the specialist. Everyone over the age of 40 should have their intraocular pressure measured once a year. In case of abnormalities, the expert will perform further examinations, such as visual field measurement and retina tomography.

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