Myopia are vision problems, then what is the eye sight it?

   Are talking about human vision is an important cheap oakleys sensory center will receive a comprehensive analysis of the information light to form a comprehensive sense, it is not that we are familiar with the vision, including light and color Shen

Sleep. Commonly referred to as visual function is visual, the eye is the ability to identify the shape of objects.

   So what is the sleeve power? Medicine will distinguish two light-emitting points is called the minimum distance between the eye, also known as visual acuity. Vision, the better the smaller the minimum distance between two points. These two fake oakley sunglasses reports form the front Angle is called into perspective, vision is a measure of perspective, resolution of the normal eye, that vision is a sub-vision, vision statement is developed according to this principle. Eye chart "E" character of each line width and line

To the distance between the points for a field perspective, the "E" word is one point perspective 5 times. Eye sight the situation is reflected by the vision chart. Standard visual acuity, including distance vision and near vision fake oakleys inspection checks Two, the former species is 5 meters or 5 meters away vision; the latter to check read (30 cm) when the vision.

   There are currently a variety of eye chart to check distance vision is the most commonly used international standard vision chart, check the distance of 5 meters, normal visual acuity was 1.0-1.5. Promote the use of existing on the vision chart record with 5 points Method, the normal value of 5.0-5.2. Near vision, near cheap oakley sunglasses vision, said to international standard tables, the equivalent of an 64 open-book size, check the distance of 30 cm, normal vision standards and that the same vision.