Manual Phoropter

Sphere power Range

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

(when+0.12D auxillary lens or optional ±0.12D lens in use)

+26.75D to-29.00D

(when optional ±10.00D lens is in use)

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)

Astigmatic axis scale

0 to 180 in 5 steps

Cross cylinder

±0. 25D, reversal type (synchronized with astigmatic axis) ±0. 50D optional

Rotary prism

0 to 20ΔD in1ΔD step

PD adjustment

48mm to 80mm in 1mm step (right and left synchronized)

Forehead rest adjustment

16mm backward and forward

Convergence

The optical axes of the lenses are aligned at a distance of 400mm from the vertexes of the comeas.

(2mm each for right and left inward) Interpupillary distance enabling convergence=57mm to 80m

Corneal distance device

2mm forward and 5mm backward from standard plane: with scale

Effective field of view

19mm

Weight

N.W 5kgs ; GW 6kgs

Dimensions

323mm*315mm*85mm