Ophthalmic Instruments Manual Phoropter Optical View Tester Vision Tester Manual Refractor

Introducing our Manual Phoropter - a precision optical instrument designed to elevate the precision and efficiency of eye examinations. This cutting-edge device is meticulously crafted to provide optometrists and ophthalmologists with the essential tools for accurate vision assessments and prescription determination.

Composition

Instrument parameters

1. Sphere powers range:

+16.75D to -19.00D, with minimum reading 0.25D or 0.12D

(When +0.12D auxiliary lens or optional ±0.12D lens is in use.)

2. Cylinder power range:

0 to -6.00D, with minimum reading 0.25D or 0.12D (when auxiliary lens is in use)

0 to -8.00D (when -2.00D auxiliary lens is in use)

3. Astigmatic axis scale:

0 to 180°, each step is 5°

4. Cross cylinder:

±0.25D, reversal type (synchronized with astigmatic axis)

5. Rotary prism:

0 to 20△D, each step is 1△D

6. Interpupillary adjustment:

50mm to 80mm, each step is 1mm (right and left synchronized)

7. Forehead rest adjustment:

13mm backward and forward

8. Convergence:

The optical axes of the lens are aligned at a distance of 400mm from the vertexes of the corneas

(2mm each for right and left inward)

Interpupillary distance enabling convergence=57mm to 80mm

9. Effective field of view: 18.5mm

10. Weight: 5 kgs

11. Size：323mm x 315mm x 85mm

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