|
|
|
|
|
|
|
|
|
Slumping
| Глоссарий терминов и сокращений по оптическим линзам |
The process of heating a glass blank over a “former” made from a refractory material (such as ceramic) until the glass blank replicates the shape of the former. this process is often used to produce progressive lens molds.
|
Оползание, русский
Сползание, русский
|
Refractory, английский
- In timber drying this term is used to indicate high resistance to moisture loss during drying.
- Тугоплавкий, жаропрочный
- A material, usually nonmetallic, used to withstand high temperatures.
- A material of very high melting point with properties that make it suitable for such uses as furnace linings and kiln construction.
- The quality of resisting heat.
Progressive, английский
A 1 длительный; 2 про- грессивный (ант. regressive) aspect, assimilation, dissimilation
|
Smart seg, английский
A plastic flat-top bifocal with the top portion of the bifocal segment having a progressive lens design.
Slit lamp, английский
- An instrument (combination of light and microscope) which produces a slender beam of light for illuminating and viewing the anterior of the eye under magnification.
- A piece of equipment which provides a narrow beam of light and is connected to a special microscope, used to examine the eye
|
|
|
|
|
|
|
