Blind
Condition of lacking visual perception
| Blindness | |
|---|---|
| [[File:|250px|alt=|]] | |
| Synonyms | |
| Pronounce | N/A |
| Field | Ophthalmology |
| Symptoms | Complete or nearly complete lack of vision |
| Complications | Depression, Social isolation |
| Onset | |
| Duration | |
| Types | Total blindness, Partial blindness |
| Causes | Genetic disorder, Injury, Disease |
| Risks | |
| Diagnosis | Visual acuity test, Ophthalmoscopy |
| Differential diagnosis | |
| Prevention | |
| Treatment | Assistive technology, Rehabilitation |
| Medication | |
| Prognosis | |
| Frequency | |
| Deaths | |
Blindness is the condition of lacking visual perception due to physiological or neurological factors. Various scales have been developed to describe the extent of vision loss and define "blindness." Total blindness is the complete lack of form and visual light perception and is clinically recorded as "NLP," an abbreviation for "no light perception." Partial blindness refers to very limited vision.
Causes[edit | edit source]
Blindness can result from a variety of causes, including:
- Genetic disorders
- Injury
- Diseases such as glaucoma, diabetes, and macular degeneration
Diagnosis[edit | edit source]
Diagnosis of blindness involves several tests, including:
Treatment[edit | edit source]
While there is no cure for blindness, various treatments and aids can help individuals manage their condition. These include:
- Assistive technology such as screen readers and Braille
- Rehabilitation programs
Complications[edit | edit source]
Blindness can lead to several complications, including:
Related Pages[edit | edit source]
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Contributors: Prab R. Tumpati, MD
