|
|
|
|
|
|
|
|
|
Rede-rite
| Глоссарий терминов и сокращений по оптическим линзам |
A glass occupational lens that has a 38 mm half round segment at the top of the lens for distance viewing. lower part of the lens is for near viewing.
|
|
|
Reference markings, английский
Location points, inked or etched on the surface of an ophthalmic lens, provided by designers and manufacturers to establish the proper rotational alignment of a lens blank.
Reading field, английский
The area in which clear reading vision is attained at a specified distance through a multifocal segment, or near-use ophthalmic lens.
|
|
|
|
|
|
|
