How Do Corrective Lenses Affect Vision in Myopia?

[jan2905]

Sufferers of myopia, nearsightedness, have difficutly resolving distant objects because the lenses in their eyes are too strong. If a myopic person has a prescription of -5 diopters, what image do her corrective lenses crate for distant objects?

P=1/f

I tried this problem and got an "upright, virtual image about 20cm in front of the eyes." Is this correct?

 

[G01]

That's the correct answer. Good job.

 

[thomate1]

Yes, your answer is correct. A myopic person with a prescription of -5 diopters would have corrective lenses that create an upright, virtual image located approximately 20cm in front of their eyes. This is because the lenses in their eyes are too strong, causing light to converge too quickly and resulting in a blurred image for distant objects. The corrective lenses help to correct this by diverging the light before it reaches the eye, allowing for a clear image to be formed on the retina. This is a common solution for those with myopia and helps to improve their vision for distant objects.