longsighted 英[lɒŋˌsaɪtɪd]美[[lɒŋˌsaɪtɪd] adj.远视的,目光长远的 farsighted 英['fɑ:'saɪtɪd] 在后面加上 - ness 就变成名词形式。 farsightedness 英['fa:saɪtɪdnɪs]...
Of course, glasses will be the easiest way to correct your vision. But contacts are equally easy. Spherical contact lenses are often used to correct farsightedness. The decision between prescription glasses and contact lenses is a matter of personal preference. You may prefer to wear one or th...
Surgeons then lift the flap to expose the inside of the cornea. Guided by the refractive error and the shape of the cornea, the excimer laser robotically sculpts the exposed corneal bed into the correct shape. This process...
当当中图深圳进口图书音像旗舰店在线销售正版《英文原版 远见:我们如何做出最重要的决定 Farsighted: How We Make the Decisions that Matter the Most 自我提升读物》。最新《英文原版 远见:我们如何做出最重要的决定 Farsighted: How We Make the Decisions that Matter t
Convex lenses are used to correct farsighted vision. Convex lenses are the only lenses that can form real images. Unlike a virtual image, a real image appears where light actually converges. The real image formed by a convex lens appears inverted. It can be either smaller than the object ...
How does a concave lens correct nearsightedness? Nearsighted people wear glasses with concave lenses to correct their vision. A concave lens correctsmyopiaby being thinner at the center and thicker at the edge. It diverges light rays entering the eye so they focus a little further back, landin...
Vision Problems What Myopia Might Look Like Myopia, or nearsightedness, is a condition where people can see nearby things clearly, but objects in the distance are blurry. This happens either because the eye is unusually long or the cornea is overly curved. As a result, the light entering th...
To correct this, a lens is shaped to correct the unevenness. Why does vision worsen as we age? As we grow older, the lens becomes less elastic. It loses its ability to change shape. This is called presbyopia and is more noticeable when we try to see things that are close up, because...
This suggests that affective stimuli facilitate behavior that is relatively farsighted.doi:10.1016/j.jesp.2010.12.021Regina KrieglmeyerJan De HouwerRoland DeutschJournal of Experimental Social PsychologyKrieglmeyer, R., De Houwer, J., & Deutsch, R. (2011). How farsighted are behavioral tendencies ...
There are a number of different eye disorders and vision errors that can occur for several reasons. Some emerge at an early age while others make themselves known at a later stage in life. What causes these different vision errors and what can you do to correct them? To give you the ...