Topcon CV-5000 - 2-2 Optical Arrangement and Names

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2-2 Optical Arrangement and Names
No. Name Function
1
Cover glass at the patient side Prevents eyelashes, dust, etc. from contacting the lens.
2
Spherical lens No. 3 This is a group of high power spherical lenses.
3
Spherical lens No. 2 This is a group 2 of low power spherical lenses.
4
Spherical lens No. 1 This is a group 1 of low power spherical lenses.
5
Cylindrical lens No. 2 This is a group of high power cylindrical lenses.
6
Cylindrical lens No. 1 This is a group of low power cylindrical lenses.
7
Auxiliary lens group This is a group of lenses for correcting errors when combining a high
power spherical lens with a cylindrical lens.
8
Prism: CC lens group 2 It is possible to combine the prism lenses of 20∆ ~ 0 ~ 20∆.
: Cross cylinder lens of ±0.25D/0.50D
9
Prism: CC lens group 1 It is possible to combine the prism lenses of 20∆ ~ 0 ~ 20∆.
: Cross cylinder lens of ±0.25D/0.50D
10
Cover glass at the inspector side Prevents dust.
11
Cornea alignment cover glass
(at the patient side)
Prevents dust.
12
Cornea alignment scale Shows the cornea position.
13
Cornea alignment mirror Used to see the cornea position from the front of the instrument.
14
Cornea alignment cover glass
(at the inspector side)
Prevents dust.
Patient’s eye
R-CV5000-0-0704-01