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What is the cause of farsightedness?

 
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Angemeldet: 01.10.2020
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BeitragVerfasst am: 10.12.2020, 10:55    Titel: What is the cause of farsightedness? Antworten mit Zitat




People will see clearly. When eye health and vision are normal When it comes to normal eyesight, we generally think of the structure of the eyeball that creates the shape. This allows light from a distant object through the cornea and the lens to focus directly on the retina. The retina then sends images in the form of electrical waves to the brain. To translate into images that we see clearly, this is normal eyesight. But most people who suffer from presbyopia are genetically caused. If you have farsightedness It's very likely that someone else in the family has the same problem.

What is the cause of farsightedness?
Hyperopia is the most common visual impairment that is the refractive state of the eye. Those with farsightedness have small eyeballs or too flattened corneas. Making it impossible to see objects at close distances clearly But can clearly see objects from a distance Or may not see clearly in both near and far distances
Presbyopia in medicine refers to the symptoms of presbyopia that occur from a young age and have not reached old age. And farsightedness that occurs at the age of 40 years and older is called presbyopia. Most farsightedness is congenital and is often found to be caused by heredity. However, presbyopia is not. Is a dangerous or severe condition And can be easily fixed by wearing glasses Wearing contact lenses or surgical treatment, etc.

Long-sighted
Common symptoms of farsightedness include:
- Can not see clearly objects up close, such as reading a book or threading a needle.

- Eye discomfort or headache from prolonged vision, such as reading, writing, working on a computer or drawing

- Looking blurry, especially at night

- Headache due to overworked eye muscles from focusing Often pain in the forehead area And will have more symptoms when using more eyes Usually there are no symptoms in the morning. But will have a headache in the evening And if you refrain from using close-up vision Pain will go away

- Pain in the eyes or the area around the eyes

- Stinging eyes or eyes can not fight the light

- Eyes must be narrowed for clear vision

- A closer look is not clear faster than the appropriate age. Or have symptoms of the eyesight of the elderly faster than common people In general, people have eyesight in the elderly when they are 40 years old and older, but those who already have farsightedness may develop sightedness faster. In the early stages, a blurry vision usually occurs when the body is tired or when the light is not enough.

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