Blindness

Definition

Blindness is the condition of lacking visual perception due to physiological or neurological factors. It can be partial or complete, significantly affecting an individual's quality of life and nutritional needs.

5 Must Know Facts For Your Next Test

1. Blindness can result from chronic endocrine illnesses such as diabetes, which may cause diabetic retinopathy.
2. Vitamin A deficiency is a common nutritional cause of preventable blindness worldwide.
3. Individuals with blindness may require special dietary plans to ensure they receive all necessary nutrients without relying on visual cues.
4. Thyroid disorders can potentially contribute to vision problems, including blindness, through associated conditions like Graves' disease.
5. Proper management of blood sugar levels in diabetic patients is crucial in preventing vision loss and blindness.

Review Questions

• How does diabetes contribute to the risk of blindness?
• What role does Vitamin A play in preventing blindness?
• Why might individuals with thyroid disorders be at risk for vision problems?

Related terms

Diabetic Retinopathy: A diabetes complication that affects eyes and can lead to blindness.

Vitamin A Deficiency: A lack of vitamin A that can result in vision impairment and other health issues.

Graves' Disease: An autoimmune disorder that results in overactive thyroid, often affecting eye health.