When the child is looking at the light a reflection can be seen on the front surface of the pupil.
In the day view position, the front surface is tilted and the reflective back side gives a strong reflection.
On each round trip, some light will be transmitted through the front surface back to the source.
Once the lens's front surface is clean, it's time to check the rear element.
The Shadow had merged with the front surface of a scarred-walled building.
There are two important circular holes cut into the front surface.
The border of the front surface rests on the sclera.
It is the only station in the center to have an input on the front surface of a building.
But if thicker, the part of light which is not reflected at the front surface will be completely absorbed.
Deep etching created a groove down to the front surface.