Causes and Symptoms of Farsightedness

Causes of hyperopia

The main causes of hyperopia are considered to be hereditary factors and other than normal biological variations of the refractive components of the eye. In general, hyperopia occurs when the light entering the eye comes on focus behind the retina. The reasons why the light doesn’t focus correctly at the center of the retina (where it needs to be so that clear image is produced) vary and may include one or several of the following:

symptoms of farsightedness- short axial length of the eyeball
- too little curvature of the cornea
- insufficient focusing power of the lens
- increased thickness of the lens

Hyperopia may be caused by maldevelopment of the eye structures during the prenatal and early post natal period and inflammations of some eye structures.

Symptoms of farsightedness

The symptoms of farsightedness vary and generally depend on the type of hyperopia, its degree and the age of the person.

Generally, young people with low, mild and even high hyperopia may not experience any symptoms of farsightedness. This is largely due to the accommodation capabilities of the eyes. However, when the accommodation capability of the eye is not sufficient due to age or increased vision stress, or when the level of hyperopia is too great hyperopia symptoms start to surface.

Two of the most common hyperopia symptoms are constant or sporadic blurred vision and eye strain (asthenopia). Other common signs of hyperopia are red and/or tearing eyes, frequent blinking, squinting when reading or doing other close eye work, general feeling of eye fatigue and/or eye strain, general focusing problems, decreased eye-hand coordination, headaches after doing close eye work, burning eyes and a general feeling of irritability and nervousness.

Early detection and treatment of hyperopia is of utmost importance especially for infants, children and young adults. Uncorrected mild or high hyperopia in children may lead to more serious eye disorders such as lazy eye (amblyopia) or strabismus. Moreover, uncorrected farsightedness in children may lead to poor motor development and/or learning problems.

 

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One Response to “Causes and Symptoms of Farsightedness”

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  1. Rajinder Singh Bhalla says:

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