However, it's common for an individual only to be able to clearly see things that are closer to them (nearsightedness) or farther from them (farsightedness). This is because the light is focused in front of or behind the retina and not on the retina itself. It's also common (especia...
the higher the power of the glass. This also applies to people’s eyes. When you look at someone who has highly farsighted glasses, their eyes appear bigger. A farsighted lens is represented by the word “plus,” which indicates that the...
I.完形填空(每小题1分)Have you been nearsighted(近视的)? Being near-sighted is far more I than it once was. And in many countries, as many as 90 percent of high school 2 are nearsighted.Nearsightedness can change the direction at which light enters the eyes and the ability to 3 far...
- **A. 近视(near-sighted)**:近视的特点是眼球过长或角膜曲率过大,导致光线聚焦在视网膜前,使得远处的物体成像模糊,近处物体清晰。符合题干描述。 - **B. 远视(far-sighted)**:远视是眼球过短或角膜曲率不足,光线聚焦在视网膜后,导致近处物体模糊,远处物体相对清晰。与题干描述相反。 - **C. 散光(...
Myopia vs. hyperopia Hyperopia (also called hypermetropia) is the term for farsightedness. This is the opposite of myopia. When you have hyperopia, distant objects are in focus, and objects closer to you are blurry. Hyperopia is less common than myopia. ...
If you’re new to the world of vision troubles and have just been diagnosed as being either farsighted or nearsighted, you’ve probably got some questions about what your diagnosis means. First of all, what’s the difference between the two conditions?
Which Am I Again? Nearsighted or Farsighted? A simple way to remember what those terms mean is to know that the terms say what's easiest for you to see: something near your face, or something farther away. So, if your eyes focus better on distant objects than on close ones, you mig...
②Can you see things far away clearly? Nearsighted (近视的) people can’t. A new study found more than a third of children around the world were nearsighted in 2023.The study looked at children in 50 countries and regions (地区). East Asi a had the highest rate (比率) of nearsighted...
Can you see things far away clearly? Nearsighted (视的) people can't. A new study found more than a third of children around the world were ncarsighted in 2023.The study looked at children in 50 countrics and regions. East Asi a had the highest rate (比 ) of nearsighted children, ...
1) near-[far-] sighted 近[远]视的2) antimetropia 远近视3) Far-sighted and near-sighted 远见近视4) near and far visual difference 远近视差5) Far-middle-near perspective 远中近视点6) distanceless 无远近的补充资料:远近 远近 远近 ①指距离的长短。《灵枢·经水》:“夫十二经水者,其...