What Is Low Vision?

Low vision refers to a person’s uncorrectable sight. Contacts, glasses, and surgery are not options. Low vision can be caused by age-related macular damage, glaucoma, and diabetes.

What is low vision?

Low vision refers to vision loss, which can include blurry vision, poor night vision, and poor eyesight. Although it is not blindness, it can be difficult to see. Low vision is often caused by age-related macular disease, glaucoma, or diabetes. Low vision can be made easier by tools.

A variety of problems can lead to impaired vision or low vision. According to the American Optometric Association, low vision can be divided into two categories:

Partially sighted

You might need a different prescription if your vision ranges between 20/70 and 20/200.

Legally blind

The person cannot see more than 20/200 after correction and has a field less than 20°.

Low vision can lead to low vision

Low vision can be caused by many things, but these are the most common.

Macular degeneration

Macular Degeneration refers to a condition that affects the retina in the back of your eye. This can cause blurry vision or, in certain cases, blindness in the central vision. Macular degeneration can lead to blurred vision, difficulty reading, inability to recognize faces, and distortions of colors.

The dry form is the most common type of age-related macular disease. It progresses slowly but steadily. However, the wet form of the disease progresses faster and more severely. This is because abnormal blood vessels develop under the macula, leaking fluid and blood.

Macular degeneration due to age is a serious condition that can cause blindness. Macular degeneration can be exudative or non-exudative. Recent research has shown that macular degeneration affects more than 1.6 million people, mainly those over 50.

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Cataracts

Cataracts can be described as a clouding of your eye’s lens. Cataracts are more common in older people. One of the main causes is prolonged exposure to high-energy radiation or sunlight. They can also occur due to injury, disease, and inherited conditions like diabetes. Cataract surgery involves the removal of the lens or replacement with an intraocular implant that restores vision. Cataract surgery may not be possible for people with other eye conditions.

Glaucoma

Glaucoma, which is a common eye condition, affects the optic nerve. It can cause problems with night vision and peripheral vision. Glaucoma can be caused by an increase in pressure. However, it can also occur when there is not enough blood supply to the optic nerve. This is a case where there are no symptoms but it can be treated with surgery or drugs if it is first diagnosed.

Diabetic Retinopathy

Diabetic patients may experience visual impairments and changes in their vision on a daily basis. There are two types: proliferative and nonproliferative diabetes retinopathy. This condition can cause blood vessels that feed the retina to become abnormally branched and leak. This condition can lead to vision loss and severe damage to the retina.

Retinitis pigmentosa

Retinitis pigmentosa, an inherited condition that gradually worsens your night vision, is called “retinitis pigmentosa”. It can cause vision impairment and side vision loss. Night blindness is the first sign. This usually occurs in adolescence and gradually decreases your ability to see.

Low vision care

Low Vision Specialists treat patients with visual impairments. They can help people with many types of visual impairments such as macular degeneration, cataracts, glaucoma, and retinal detachment. The doctor will conduct a thorough exam, including tests to determine the patient’s problem.

Vision rehabilitation is designed to maximize the patient’s ability to see so that they can reach their vision goals and improve their quality of life. The individual rehabilitation plan for a patient may include prescription glasses, contact lenses, electronic magnification devices, and assistive technology. It could also include glare control with a therapeutic filter, contrast enhancement, eccentric seeing, visual field enhancement, nonoptical options, and referrals to other professionals.

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