There are different types of bridges . Adjustable nose pad may be attached to the bridge. A special bridge insert of molded plastic, some times known as a form fit bridge, may also be used.
In plastic frames, the bridge and nose rest area may be molded into the frame. The bridge in plastic frames may be further classified into the keyhole bridge and the saddle style bridge.
Tuesday, 21 February 2017
Bridge Type
Subscribe to:
Post Comments (Atom)
-
Advantages: The chart is familiar Inexpensive, quick and easy to use and interpret Disadvantages: Snellen chart has only one 6/60 lette...
-
Preferences: Similarly quantities of letters per line. Consistently separating amongst lines and letters. Uniform movement ...
-
Don't take your eyes for granted. Take these easy steps to keep your peepers healthy.
No comments:
Post a Comment