I went to a doctor for my eye checkup. And I couldn’t read the last line at all. Doctor said this is the limit to your eye and no matter how strong a lens, you would never be able to read the last line

Question

But I don’t get it. Why would if I put a stronger lens, I wouldn’t be able to read the last line? She said you must have never been able to read the last line in your life, and she was correct, but I don’t understand the science at play here

In: 58

Answer 1

Take a 4k video and play it on an old tube TV. No matter how sharp you make the picture, you will never be able to make out the small details because the resolution just isn’t high enough.

Your eyes have an upper limit of resolution. The last line is has more detail than your retina could resolve even with a perfect focus.