 |
| QUALITY LAB TEST | |
| CASS TEST For testing the glasses resistance to chemical and physical. |
|
 |
|
| METHOD The corrosion agent induced by atmospheric and bodily agents (eg. sweat), is tested by submitting the lens to an acid environment. |
|
|
|
| TEST CONDITIONS Acetic Acid Sodium Chloride Dehydrated Copper Chloride |
|
| DROP BALL TEST (DBL) - TEST ON THE LENSES CAPACITY TO WITHSTAND VIOLENT SHOCKS. For testing the glasses resistance to chemical and physical. |
|
|
|
| METHOD Impact of the free-falling steel ball on the lens. |
|
|
|
| TEST CONDITIONS Steel ball diameter 16mm falling at height 1.3mm and hit the lens surface. We even tried on a bigger steel ball at a higher height. |
|
| ABRASION AND SCRATCH TEST For testing the lenses capacity to withstand mechanical stresses. |
|
|
|
| METHOD Abrasive rubbers and graphite pencil leads of increasing hardness are applied. Then the state of wear and tear on the lens is analyzed. |
|
