Glasses have been around for centuries to help improve and provide clearer vision. More modern methods of vision correction such as contact lenses and eye surgery are more advanced, but actually treat the symptoms rather than the cause, just as glasses do. Even pinhole glasses have been used to focus light rays on the retina. [...]

PRK is used to correct or reduce myopia (shortsightedness or nearsightedness), hyperopia (longsightedness or farsightedness), and astigmatism. The PRK procedure flattens part or all of the cornea which in turn allow focal point of light to focus more closely on the retina. PRK differs from Lasik in that it does not create a permanent flap [...]

Pinhole glasses, also known as stenopeic glasses (from Greek meaning “little opening”), are eyeglasses with a series of pinhole-sized perforations filling an opaque sheet of plastic in place of each lens. It works on the same principle of the pinhole camera; each hole allows only a very narrow beam of light to enter the eye [...]

Floaters is the term given to various types of deposits that can in the vitreous humour. The technical name for seeing floaters is “myodesopsia”. Floaters can be of various sizes and shapes. They can appear as shadow like shapes. These can appear on their own or with several others. They can also appear as threads, [...]

Myopia (nearsighted or short sighted) This is one of the most common vision disorders. It is the inability to focus on objects at a distance. The light rays are focused at a point in front of the retina, causing a blurring of the image. Myopia is typically caused by continued up close activity which causes [...]