Regular astigmatismcan be corrected with lenses or surgery. Irregular astigmatismis defined as the focus resulting from any corneal surface that is neither spherical nor regularly astigmatic. It cannot be corrected with glasses or soft contact lenses. Historical classification of astigmatism differentiates ...
A rare condition is known as keratoconus, in which the cornea thins and becomes cone-shaped, can also result in severe astigmatism. This condition cannot be corrected with glasses and has to be treated by the pressure of contact lenses. In some cases, patients with keratoconus must undergo a...
[精析]B根据第二段第二句Everything else seems blurry, so they need glasses.,第二段最后一句If they want to do much reading, they must get glasses, too.,第三段第三句This, too, can be corrected by glasses.和第三段最后一句…it is possible to operate on the cataracts and remove them.可...
D an eye difficulty that cannot be corrected by glasses 分值: 1 答案:B 细节题。第四段的首句说明了“散光”的定义:“Other people do not see clearly because their eyes are not exactly the right shape.They have what is called astigmatism(散光),”由此可知B为正确答案。 Passage 2 When one loo...
A.one eye bigger than the otherB.eyes that are not exactly the right shapeC.a difficulty that can be corrected by an operationD.an eye difficulty that cannot be corrected by glasses 答案 B细节题。第四段的首句说明了“散光”的定义:“Other people do not see clearly because their eyes are...
Can Astigmatism Be Corrected? Yes, there are multiple ways that astigmatism can be corrected to ensure that you see clearly. Different options for astigmatism treatment are discussed below, but the main takeaway is that astigmatism can be corrected like other refractive errors: with glasses, contacts...
Astigmatism can usually be corrected with glasses or contact lenses. Refractive surgery is one of the less common astigmatism correction options, however, since it is a laser procedure that changes the shape of your eyes, it comes with risks associated with most surgeries. ...
However, wearing glasses with an incorrect astigmatism prescription can cause other problems, including blurry vision, eye strain and headaches. Depending on how “wrong” your prescription is, your corrected vision may not be legal for driving. ...
eyes that are not exactly the right shape C. a difficulty that can be corrected by an operation D. an eye difficulty that cannot be corrected by glasses(C)Grandma was a wonderful story-teller, and she had a set of priceless, individually (独特地)___stories with which American grandparents...
It Is Possible To Have Mild Astigmatism And Not Know It… How is Astigmatism Corrected? In most cases, astigmatism can be corrected with glasses, contacts, orthokeratology, or LASIK(refractive surgery). Most individuals choose glasses to correct their vision, that contain a special cylindrical lens...