The simile "as clear as glass" means something is easily understood or transparent, just like how clear glass allows you to see through it without obstruction. It is often used to describe a situation or concept that is easy to grasp or perceive.
Simile
The simile is usually stated "crystal clear". Crystal is fine glassware, very clear and sparkling. Thus, when something is "crystal clear", it would be like seeing something through the clear glass of crystal.
glass
a clear brilliant glass.
water
As clear as a bell.
similes
No. The beat is the rhythm. A simile is a phrase which says one thing is like another: The sea was as smooth as glass.
Generally clear glass is transparent.
. Simile
The proper name for clear glass on binoculars are called lenses
Clear glass does refract light when light passes from another medium like water to clear glass. But there is an exception. If the ray of light were to pass through water and hit the clear glass straight or at 90 Degrees to the surface, then clear glass does not refract the light.