what would cause the seg to be foggy or hazy?

[Giancarlo Eyeglasses]

In a 1.70 flat top 28 lens what would cause the seg to be foggy or hazy?

[Izabelle Eyeglasses]

All flat top segments in glass are made from a high index piece, which is higher in index than the major portion of the lens and is Fused into the blank. As glass becomes higher in index it becomes more sensitive to chemical attack. Liquids, vapors and liquids, which are high in PH including the salt baths used to chemically strengthen the lens can Etch the segment glass making it, appear hazy. These can be polished to remove the haze.

[Landon Eyeglasses]

When the natural lens becomes cloudy and hard the light rays become scattered. Much of the focus is lost or distorted, resulting in decreased vision.

Usually a patient may complain that their vision is foggy, blurry, hazy, or smokey. Colors may seem washed out. They may experience glare or halos around bright lights. Activities of daily living may be more difficult to accomplish such as reading books, labels, instructions, seeing signs, driving, sewing, computer work.