presbyopia 英[ˌprezbiˈəʊpiə]老花眼 astigmatism 英[əˈstɪgmətɪzəm] adj.散光 Negative Diopters近视度数 Positive Diopters远视度数 全球近视人数约25亿,中国近视人群人数多达6亿。据预测,到2050年,全...
Test your eyesight without a trip to the eye doctor? Online vision tests aim to make it possible. Several companies offer tests that you can take on the internet with your computer or smartphone. An online vision test might check: How sharp your vision is If you have astigmatism, a conditi...
The most common cause of blurry vision is a one or a combination of the four main refractive errors: nearsightedness, farsightedness, astigmatism andpresbyopia. All four vision conditions can be treated with corrective eyewear that can be prescribed easily after an eye exam with your local eye ...
Or should I continue to recommend a toric IOL for patients with significant astigmatism? A depends on the amount of corneal astigmatism (and, of course, patient preference). "My prediction is that femtosecond laser incisions will be most effective and predictable...
Most people link tired eyes to lack of sleep. However, anything that requires intensive use of your eyes can cause tired and heavy eyes, including: Excessive screen use (usually referred to as computer vision syndrome) Reading Writing Allergies Poor lighting conditions - either very low or very...
Astigmatism, myopia, hyperopia and ageing eyes are all examples of vision errors/eye disorders that you can get help to correct. Below you can read more about how these eye disorders affect your vision. Follow our internal links below for more in-depth information on respective vision error. ...
Femtosecond laser surgery.In this operation, your surgeon uses a laser to break up the lens. As with the other types, once this is done, they'll put in the new lens. Your doctor may suggest this if you also have anastigmatism, a curve of your cornea that makes your vision blurry. Yo...
the eye care professional will check for signs of diabetic retinopathy, glaucoma, and cataracts, as well as assess the overall health of your eyes. Early detection and treatment of these eye conditions can significantly reduce the risk of vision loss and help maintain good eye health. Whether yo...
Have Regular Vision Checks Health checks can be carried out by the Nursery Kindergarten Health Care Management Regulations. If any vision abnormalities are discovered during the check-up, the school doctor will inform the parents, ...
Try to avoid blinking or jerking your head back. Place the Contact on Your Iris: Gently press the contact to your eyeball and place it directly over your iris. The moisture in your eye will attract the contact, which should make for an easy transition. Check Your Vision: Once both ...