Explanation/Annotation:For choice of corrective eyeglasses by the method of subjective purity.
Detailed model description:Amount (in MM. : 585*345*85.
mass: 5 kg.
composition:
lens eyeglass stigmatic with back vertex of refraction:
from +0. 25 to +20 äïòð. - 34 para,
from - 0. 25 to - 20 äïòð. - 34 para;
lens eyeglass astigmatic with back vertex of refraction in one principal cross-section:
from +0. 25 to +6 äïòð. - 20 para,
from - 0. 25 to - 6 äïòð. | - 20 para;
lens eyeglass prismatic with prismatic effect
from 0. 5 to 10 ñðàä. - 15 state.
light filters neutral with passing êîýôôèöåíòîì 25%, 50%, 75% - on 2 state.
light filters colour: red, blue-green - on 1 state.
plates parallel-plate (from colourless glass) - 2 state.
Ìåääîêñà cylinder - 1 state.
glass dim - 1 state.
cylinders crossed from +0. 25 to +0. 5 äïòð. - on 1 state.
îêêëþäîð (screen) - 1 state.
diaphragms with opening large diameter 1. 5, 3. 0, 4. 0 MM. - 4 state.
diaphragms slot 1. 5, 12 MM. - 2 state.
ÎÏÓ-01 - 1 state.
ÎÏÏÓ-01 - 1 state.
ruler for determination of RC - 1 state.
table for spectacle fitting (for áëèçè) - 1 state. |
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