Medical Definition Of Blindness

Blindness: Symptoms, Causes, Risk Factors & More

https://www.healthline.com/health/blindness

Blindness | definition of blindness by Medical dictionary

https://medical-dictionary.thefreedictionary.com/blindness

blindness [ blīnd´nes] lack or loss of ability to see (see vision ). Legally, blindness is defined as less than 20/200 vision in the better eye with glasses (vision of 20/200 is the …

Blindness and vision impairment - World Health …

https://www.who.int/news-room/fact-sheets/detail/blindness-and-visual-impairment

The leading causes of vision impairment and blindness are uncorrected refractive errors and cataracts. The majority of people with vision impairment and …

Blindness and vision loss: MedlinePlus Medical …

https://medlineplus.gov/ency/article/003040.htm

Blindness is a lack of vision. It may also refer to a loss of vision that cannot be corrected with glasses or contact lenses. Partial blindness means you have very limited vision. …

Blindness: Causes, 3 Types, Treatment & Symptoms

https://www.medicinenet.com/blindness/article.htm

Blindness is strictly defined as the state of being sightless in both eyes. A completely blind individual is unable to see at all. The word blindness, however, is commonly used as a relative term to signify …

Low Vision and Legal Blindness Terms and Descriptions

https://www.afb.org/blindness-and-low-vision/eye-conditions/low-vision-and-legal-blindness-terms-and-descriptions

"Legal blindness" is a definition used by the United States government to determine eligibility for vocational training, rehabilitation, schooling, disability benefits, low vision devices, and tax exemption programs. It's not a …

Medical Definition of Blindness - MedicineNet

https://www.medicinenet.com/blindness/definition.htm

Blindness can be temporary or permanent. Damage to any portion of the eye, the optic nerve, or the area of the brain responsible for vision can lead to …

Vision Impairment and Blindness | Examination-Based …

https://www.cdc.gov/visionhealth/vehss/data/studies/vision-impairment-and-blindness.html

Vision impairment (VI) is generally determined by measuring the best-corrected visual acuity (BCVA) of the better-seeing eye. Most studies in the United States measure visual acuity at a distance of 20 feet …

A Definition of Blindness | National Federation of the Blind

https://nfb.org/definition-blindness-1

To be blind does not mean that one cannot see. (Here again I must interrupt to say that I am not speaking in spiritual or figurative terms but in the most literal sense of the word.) …

Blind | definition of blind by Medical dictionary

https://medical-dictionary.thefreedictionary.com/blind

blind. [ blīnd] 1. not having the sense of sight. 2. pertaining to an experiment in which one or more of the groups receiving, administering, and evaluating treatment are unaware of …