What is the tool the eye doctor uses that looks like a honeycomb?
There is a tool the eye doctor uses when he gives you the eye chart. I think it looks kinda like a honeycomb screen and puts it over the eye. Its not just a cover for the eye, its more like a filter of some sort. Can someone tell me what that tests for? Whatever it is, I couldnt see the letters after he used it. A: It’s called the pinhole test. There are a lot of variations of that tool/cover that looks like a honeycomb, but what it’s doing is decreasing the amount of light scatter entering your eye. The reason things are blurry for many people is that light doesn’t focus to a fine point on the back of the eye (the retina). It focuses in a big circle instead of a little one. So, the pinholes decrease the amount of light, and the size of the circle, getting to the retina. It artificially makes your focus point finer. It makes things clearer. We use this to tell a person’s visual capabilities or limits, without having to do the full tests. Once we get a target acuity (level of vision) fr
