If you wear contact lenses, you’ve probably dozed off while still wearing them at least once or twice. Maybe it was on a ...

Refractive cataract surgery has been transformed by advanced IOL technology, including extended and full-range vision lenses, ...

Many lifestyle and medical factors can cause low energy, including anemia, low testosterone, and an unbalanced diet. Some causes are unique to males or are more common in males than females.

This means more energy reaches the surface of the Earth near the equator. And that causes the lower part of the atmosphere, where weather occurs, to be both warmer and have higher pressure on ...

Treatment for damaged cornea typically involves removing all ... However, for some patients, the donated tissue is rejected by the body which causes further problems, such as eye pain and blurred ...

In women, this may include PMS, pregnancy, or menopause. But stress or health conditions may also be causes. If you’ve ever felt angry or frustrated within moments of feeling happy or elated ...

Stress and some conditions can increase cortisol levels. High cortisol can cause symptoms such as weight gain, acne, and fatigue. Doctors may refer to high cortisol as Cushing syndrome or ...

Eye injuries that damage the cornea are usually irreversible and cause blindness. But a new clinical trial has repaired this damage in patients thanks to a transplant of stem cells from their ...

When a person's cornea is damaged, the injury can deplete the limbal epithelial cells. As a result, the surface of the eye develops permanent damage -- a condition called limbal stem cell deficiency.

Various genetic disorders can cause premature aging, but lifestyle factors such as smoking and sun exposure are more often the cause. Premature aging is not reversible, but healthy lifestyle ...

Financial, psychological, and real economic factors can cause recessions, such as supply chain disruptions or a financial crisis. The recession in 2020 was affected by COVID-19 and the preceding ...