Blindness Medical Definition

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 ability to see at 20 feet only what the normal eye can see at 200 feet). A person with 20° or less vision …

Blindness: Symptoms, Causes, Risk Factors & More

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

Blindness and vision loss: MedlinePlus Medical …

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

Blindness and vision loss. 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 …

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: Causes, 3 Types, Treatment & Symptoms

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

MedTerms medical dictionary is the medical terminology for MedicineNet.com. Our doctors define difficult medical language in easy-to-understand explanations of over 19,000 medical terms. ... It is …

Blindness Definition & Meaning | Dictionary.com

https://www.dictionary.com/browse/blindness

Blindness definition, the inability to see; the condition of having severely impaired or absolutely no sense of sight: Patients are first asked if their blindness is congenital or the …

Blindness - StatPearls - NCBI Bookshelf

https://www.ncbi.nlm.nih.gov/books/NBK448182/

Legal blindness is a term defined by the United States Social Security Administration (SSA) to determine those who are eligible to receive disability benefits, tax exemption programs, and rehabilitation training. …

Blindness Types, Symptoms, Causes & Treatments

https://www.emedicinehealth.com/blindness/article_em.htm

The term blindness encompasses both visual impairment and legal blindness.Visual impairment means the best corrected vision (vision with glasses, contacts, or refractive surgery) is poor and results in difficulty …

A Definition of Blindness | National Federation of the Blind

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

The usually accepted legal definition of blindness already given (that is, visual acuity of less than 20/200 with correction or a field of less than 20 degrees) is simply one medical …

Vision Impairment and Blindness | Examination-Based …

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

Figure 2 reports blindness prevalence from selected studies. Overall, blindness prevalence rates ranged from 0.07% in CHES to 1.7% in the Atlanta VA Medical Center Chart Review. These studies identified …