Why is more refractive power of lens required to view near objects than distant objects from the eye? - Quora
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MathType on X: "The focal length for a positive converging lens in air is the distance from the lens to the point where the incident light beam is focused. It can be
![The distribution of refractive lens power per age category. 95 % con... | Download Scientific Diagram The distribution of refractive lens power per age category. 95 % con... | Download Scientific Diagram](https://www.researchgate.net/publication/283456273/figure/fig2/AS:292697384075265@1446795902927/The-distribution-of-refractive-lens-power-per-age-category-95-con-fidence-interval-of.png)