In some eyes, the size and/or placement of the iris can cause it to rub backward against the lens. When this happens, the friction can displace tiny granules of the iris’s pigment. These granules then make their way into the very front of the eye. This is calledpigment dispersion syndr...
When retinal ganglion cells die, it often happens through a process calledapoptosis. This is a natural process that causes aging, damaged or abnormal cells to self-destruct. In glaucoma, stress on the optic nerve cells from IOP triggers this process. There is evidence that differing amounts of...
Answer to: What happens when you shine a penlight into someone's eye versus when that person covers their opposite eye and then you shine the light...
Evaporative dry eye happens when the meibomian glands malfunction. The meibomian glands are found in the eyelid margin, and they produce the oil layer of tears. This oil layer keeps tears from running off the water line of the eyelid to keep moisture close to the eye’s surface. When the ...
What happens when you shine a penlight into someone's eye versus when that person covers their opposite eye and then you shine the light in their eye? How does our hair get its color? What is the color pigmentation of the skin created by?
What do you do when you have vertigo? The following is advised when there is a sudden episode of vertigo: Sitting or lying down immediately and resting in a cool place till the vertigo disappears. This prevents the risk of losing balance and serious injury. One may use a cane, walker, ...
Presbyopia is a type of farsightedness that happens as you get older. Nearsightedness , or myopia, means you have trouble seeing things that are far away. Astigmatism is a problem with the curve of your eye's surface. You may not have symptoms, or you may have blurry vision or eye ...
72.When were smartphones introduced to the U.K.?In 1997.73.What happens when your pupils become larger?This can do harm to the eyes and cause a disease called glaucoma.74.So please remember to use your smartphones in a proper way....
Glaucoma:This disease is caused by the buildup of fluid and pressure in theeye. It can damage the nerve that carries information from the eye to thebrain. When this happens, you may lose your peripheral vision. Over time, you could lose all of youreyesight. Luckily, doctors can preventvisi...
A $59 value, yours included at no extra cost when you order OptiQuick Rapid Optician Training System What Happens Once You Order: You’ll be directed to a registration page where you will create your username and password. After that, you will instantly be taken to the learning materials. ...