266 plastic rim ophthalmic trial lens set in an aluminum case 38/25 mm
Description: Doctor's office medical ophthalmic trial lens set in a case with a combination lock
- Case cover material: aluminium
- Lens material: glass
- Rim material: plastic
- Color of rims: red (concave lenses), black (convex lenses), white (prisms)
- Rim holder: triangular / oval (optional)
- Number of lenses in the set: 266
- Set: carrying case, non-astigmatic lenses, astigmatic lenses, prismatic lenses, green filter, red filter, occluder, slotted diaphragm, plane-parallel plate, pinhole diaphragm, crosshair, matte plate, semi-matte plate, Maddox cylinder, cross cylinder
- Measurement range: non-stigmatic - ± 0.25 ~ ± 20 D, astigmatic - ± 0.25 ~ ± 6.0 D, prismatic lenses - 0.5 ~ 8.0Δ
- Lens size: outer diameter - 38 mm, inner diameter - 25 mm
- Case size: 470 * 360 * 80 mm
- Total weight: 4 kg
- Quality class: 1 (the highest), lenses - class A
Описание
Sets of trial spectacle lenses with a frame for 266 lenses. Designed for examining visual impairments, for example, myopia, hyperopia, astigmatism and presbyopia, for examining strabismus and color blindness. A set of test spectacle lenses is used in the ophthalmology departments of hospitals, clinics, and optical stores. It is convenient to use both in hospitals and in mobile rooms.
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