6. (foll by: to) related (to) or dependent (on). 7. (when: postpositive, often foll by to) having a subsidiary or minor relationship (with). 8. (General Physics) (esp of a beam of light or particles) arriving at or striking a surface: incident electrons.
Answers (1) hill. Personally, if you use salt water properly, it won't cause any damages to your sunglasses. But if you rinse your sunglasses in salt water for a long time, it may cause some damages to the lens coating of your sunglasses. Anyway, you needn't rinse your sunglasses in salt water.
Wash them carefully with a mild soap (such as a dish soap) and warm water. If necessary, use a wet cotton or soft cloth to clean. Rub with your fingertips, using a circular motion. 1  Wash the entire frame, including the nose pads.  Do not use citric-based detergent or dish soap. This can damage the glasses.