They are available in many types and different powers.Īvailable in different powers ranging from low to high. These use lenses or combination of lenses to provide magnification. These can be categorized as optical or non-optical devices. After complete low vision evaluation it provides vision rehabilitation for training to effectively use the low vision devices and residual vision. Low vision devices are prescribed as per the individual needs. Reduced ability to adjust to light, contrast and glareĪ Low Vision specialist performs comprehensive functional and clinical vision evaluation using special charts and devices.Difficulty in picking out and coordinating the color of clothes.Difficulty in near tasks like reading, writing, sewing etc.Difficulty in recognizing a familiar face or street sign.What Visual handicap people with low vision feel? The patient can have variable amount of vision and print may appear distorted or blurred with patchy shadows while reading. Print can get distorted and segments of words appear missing.ĭiabetic Retinopathy – Long standing diabetes can affect the macula or the entire retina by leaking of retinal blood vessels. This can cause a decrease in central vision where a person notices a black spot in front of his eyes.
Print appears faded, words are difficult to read and contrast is reduced.ĭegeneration/Dystrophy Macula the central area of retina, gets distorted due to degeneration because of aging or congenital birth defect. Glaucoma – Elevated eye pressure over a long period can cause optic nerve damage and loss of peripheral field of vision. Reading print appears hazy and may also result in a reduction in contrast. Vision can diminish due to advancing age, ocular trauma, birth defect or any eye disease.Ĭorneal injury or damage – It results in a clouded image and increased glare sensitivity. However, in some cases, persons with low vision may be aided with special visual devices and vision training Low vision is diminished sight with minimal ability to see that is unresolved or uncorrected with traditional eyeglasses, contact lens, intraocular lens implants, or corrective surgery.