NASA considers SANS one of its ‘red risks’ for a Mars mission, owing to its potential severity and the number of astronauts ...

An abnormal form of the tau protein found to accumulate in the brains of Alzheimer's disease patients also accumulates in the ...

The way we shop, do our banking, watch TV and listen to music is unrecognisable from 30 years ago – yet as a doctor, the way I do tests, treat patients and predict their outcomes is stuck in the ...

Tearing the retina can cause retinal detachment or bleeding in the eye. The symptoms can also include blurred or darkened vision. Cryotherapy and laser therapy are common and effective treatments ...

Yellow or green discharge (pus) in the eye The eyelids are stuck (matted) together with pus after sleep After being wiped away, the pus comes back during the day Often caused by a bacterial eye ...

The eye doctor may also take digital retinal photographs. A special dye injection test called fluorescein angiography may also be performed to see how the blood circulates inside the retina. This is ...

However, it's easy to dismiss persistent issues as normal, which can lead to more serious ... The GP also noted that 'eye floaters' are fairly common, with most people seeing the occasional ...

Abstract: Early retinal vascular changes in diseases such as diabetic retinopathy often occur at a microscopic level. Accurate evaluation of retinal vascular networks at a micro-level could ...

The black circle in the center of your eye is your pupil ... and ketamine. Age. It's normal for a newborn's pupils to stay small for about 2 weeks so their eyes have extra protection from ...

You can temporarily lose your vision, totally or partially, due to another condition. The possible causes and what you should do depend on whether you can see at all. If you have a sudden total ...