Therapy glasses are often used as an option for overcoming various eye problems. But unfortunately, the effectiveness of these glasses in improving vision is still controversial. Using glasses is one way to improve your eyesight. At least, there are two types of therapeutic glasses that are claimed to normalize your eyes, namely pinhole glasses and orthoptic glasses. Pinhole Glasses These glasses are designed specifically for people who have nearsightedness and farsightedness. Unlike glasses in general, the lens on pinhole glasses is coated with a dark plastic sheet filled with small holes. These holes allow the beam of light to enter the eye and focus on the retina better to clarify your vision. Pinhole glasses can be used to help diagnose certain eye conditions, such as cataracts and corneal distortion. In addition, these perforated glasses can also be utilized by patients with aniridia, where the iris (the colored part of the eye) does not develop properly or even does not fo...