A Nearsighted Person Cannot See Objects Clearly Beyond 25.0 Cm (her Far Point). If She Has No Astigmatism And?

contact lenses are prescribed for her, what power of lens is required to correct vision? Give your answer in diopters with one decimal point accuracy. Hint: Lens power P = 1/f , where lens focal length f is measured in meters. In this case units of power is a diopter.

What Is Astigmatism? I Cannot See At Night And Use Reading Glasses From The Drugstore To Be Able To Read. I W

as told many years ago that I had this condition but it has gotten progressively worse in the last 5 years. I am not able to afford an eye doctor at this point and time so any response is appreciated.