Color Blindness - National Eye Institute
WEBAug 5, 2024 · If you have color blindness, it means you see colors differently than most people. Most of the time, color blindness makes it hard to tell the difference between certain colors. Read about the types of color blindness and its symptoms, risk factors, causes, diagnosis, and treatment.
Types of Color Vision Deficiency - National Eye Institute
WEBAug 7, 2023 · Having color vision deficiency (also called color blindness) means you can’t see certain colors the way most people do — or you may not see color at all. Learn the basics about color vision deficiency. Different types of color vision deficiency cause problems with seeing different colors.
Causes of Color Vision Deficiency - National Eye Institute
WEBAug 7, 2023 · Causes of Color Vision Deficiency. Having color vision deficiency (also called color blindness) means you can’t see certain colors the way most people do — or you may not see color at all. Learn the basics about color vision deficiency.
Testing for Color Vision Deficiency - National Eye Institute
WEBLast updated: August 7, 2023. If color blindness runs in your family or if you think you or your child may have color blindness, talk with your eye doctor. They can give you or your child a simple vision test to check for color blindness. Read about the …
Study finds that special filters in glasses can help the color blind ...
WEBJul 13, 2020 · A new study found that special patented glasses engineered with technically advanced spectral notch filters enhance color vision for those with the most common types of red-green color vision deficiency (“anomalous trichromacy”).
Stargardt Disease - National Eye Institute
WEBSep 29, 2021 · Stargardt disease can cause color blindness, so your eye doctor may also test your color vision. Fundus photography. Your eye doctor may take a photo of your retina to check for yellowish flecks on your macula. Electroretinography (ERG). An ERG lets your eye doctor check how well your retina responds to light.
Five innovations harness new technologies for people with visual ...
WEBFeb 3, 2017 · During Low Vision Awareness Month, the National Eye Institute (NEI), part of the National Institutes of Health, is highlighting new technologies and tools in the works to help the 4.1 million Americans living with low vision or blindness.
Retinitis Pigmentosa - National Eye Institute
WEBNov 15, 2023 · At a glance: Retinitis Pigmentosa. Early Symptoms: Loss of night vision and side (peripheral) vision. Later Symptoms: Vision loss and blindness. Diagnosis: Dilated eye exam, electroretinography (a type of retina test), genetic test. Treatment: Low vision aids, vision rehabilitation.
National Eye Institute | National Eye Institute
WEBThe National Eye Institute (NEI) performs and supports vision research and education programs that protect and prolong vision. Learn about eye conditions, healthy eyes, vision studies, and grants for vision research.
Progress toward a stem cell–based therapy for blindness
WEBJul 28, 2022 · A multi-institutional effort led by researchers at the UPenn School of Veterinary Medicine is taking steps to develop an effective technique to regenerate photoreceptors cells and restore sight in people with vision disorders.