About Lazy Eye (Amblyopia)

About lazy eye syndrome

Lazy eye syndrome is a situation where the visual ability of one eye is lower than the other eye or both eyes compared to normal limits despite no structural abnormalities in the eye or optic nerve. Vision is a sense that is learned from birth. As our brain develops, so does our vision, and we learn to see in more detail. If there is a situation that prevents us from seeing during this period, for example, if one eye has more diopters than the other, then vision on that side is acquired more blurred and that eye may remain lazy.

What are the causes of lazy eye syndrome?

If left untreated, lazy eye syndrome can lead to a rapid decrease in visual acuity, loss of vision in both eyes and difficulty with depth perception. Since this happens at a developmental age, it is very difficult for a person to realize this himself. Strabismus is one of the most common causes of lazy eye syndrome.

Refractive errors: The fact that refractive errors such as myopia, hypermetropia, and astigmatism are more severe in one eye than the other can lead to lazy eye syndrome.

Strabismus: Strabismus is the loss of parallelism of both eyes to each other. Each eye has 6 extraocular muscles. Lack or excess of power in one or more of them causes strabismus. While one eye is looking straight ahead, the other can look in, out, up, or down. In some cases, mowing is present in both eyes. Depending on the cause of strabismus, it can occur permanently or temporarily. There is no single cause of strabismus. Strabismus can occur for various reasons. Early diagnosis is very important in the treatment of strabismus.

Other eye diseases:

  • Spot on the cornea,
  • Hanging the eyelid, closing the pupil,
  • Cataract

A cataract is an eye disease that can appear from birth and hastens the onset of lazy eye syndrome. When a cataract is congenital, it can lead to lazy eye syndrome very early. This condition should be treated as soon as possible.


Last Update Date: 01.07.2023

*The content of this page is for informational purposes only. See your doctor for diagnosis and treatment.

Prepared by the Dünyagöz Hospital Editorial Board.

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