Health Topics A-Z

Browse by letter: R × Topic category: Diseases and Conditions × Clear all
Showing 1-6 of 6
R

Refractive Errors

Healthy Vision, Diseases and Conditions

Refractive errors are common eye conditions that affect how clearly a person sees. These include nearsightedness, farsightedness, astigmatism, and presbyopia.

Respiratory Distress Syndrome

Diseases and Conditions

Respiratory distress syndrome is a newborn breathing condition caused by a lack of surfactant in the lungs.

Restless Legs Syndrome

Diseases and Conditions

Restless legs syndrome is a neurological condition that causes an irresistible urge to move the legs, often accompanied by uncomfortable sensations. 

Retinal Detachment

Diseases and Conditions, Healthy Vision

Retinal detachment is a serious eye emergency that can cause permanent vision loss if not treated quickly.

Rheumatoid Arthritis

Diseases and Conditions

Rheumatoid arthritis is a long-lasting autoimmune disease that mainly affects the joints. With current treatments, many people with rheumatoid arthritis can lead active, productive lives.

Rosacea

Diseases and Conditions, Healthy Vision, Healthy Skin, Skin diseases

Rosacea is a long-term inflammatory skin condition that causes reddened skin and a rash, usually on the nose and cheeks. It may also cause eye problems.