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Refractive Errors - Focus
It is a condition in which the eye does not focus the light correctly. Its lens and cornea focus the incoming light onto the retina (the photosensitive posterior region). However, if this system does not work correctly, the image does not fall on the retina clearly and visual impairment is experienced. Refraction defects are generally caused by genetic factors and become more pronounced as we age. Glasses, contact lenses or corrective surgery are used to correct these problems.

How Do Eyelid Defects Pass?

Glasses and Contact Lenses: These solutions work with lenses that correct refractive errors. Glasses or contact lenses adjust the focusing ability of the cornea to properly focus light onto the retina. Glasses and contact lenses are often the simplest and most commonly used solutions.

Refractive Eye Surgery: Refractive surgery modifies the shape of the cornea to enable it to focus light correctly. These types of surgeries are typically performed with lasers. Techniques such as LASIK (Laser-Assisted In Situ Keratomileusis) and PRK (Photorefractive Keratectomy) can reshape the corneal tissue to correct myopia, hyperopia, and astigmatism. These surgical treatment methods are fast, painless, and can reduce the need for glasses or contact lenses, completely eliminating refractive errors in the eye.

While refractive surgery can be an effective solution for many individuals, it may not be suitable for all patients. Like any surgical procedure, refractive surgery has its risks and potential side effects. Therefore, it is important to consult with a healthcare professional before considering any treatment option.

Factors Causing Refraction Defects

Refractive errors are associated with the inherent shape and size of the eye and are influenced by genetic factors. If there is a history of refractive errors in your family, the likelihood of having them yourself is higher. Here are the factors that contribute to the development of refractive errors in the eye:

Genetic Factors: These disorders often have a familial pattern. If someone in your family has myopia, hyperopia, or astigmatism, you are more likely to develop these conditions.

Eye Structure: The shape or size of the cornea or lens determines how light is focused. If the cornea or lens is not properly curved or if their length is longer or shorter than normal, it can lead to vision problems.

Aging: As you age, the lens becomes harder and loses its flexibility. This can result in presbyopia, a condition that affects the ability to see nearby objects clearly.

Eye Health Conditions: Certain diseases or injuries can contribute to the development of refractive errors.

Other Health Conditions: Some health conditions, such as diabetes, can affect the structure and functioning of the eye, leading to refractive errors.

Environmental Factors: Some studies suggest that intensive near-work activities, such as reading or computer use, may accelerate the development of myopia. However, our knowledge in this area is still limited, and further research is needed.

It is important to note that refractive errors in the eye can generally be managed and corrected with appropriate treatment, so regular eye examinations are crucial.