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| Phoroptor NEXT
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| MODEL
VT-5 |
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Main Specifications
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 in 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 in 1ΔD step
Auxiliary lens:
| Right eye |
Left eye |
|
O(Open aperture)
OC(Occluder)
± .50(Fixed cross cylinder) |
| 6ΔU(6 prism dioter base Up) |
10ΔU(10 prism dioter base
Up) |
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PH(Pinhole)
+ .12(+0.12D sphere lens) |
RL(Red filter)
RMH(Red maddox rod,horizontal)
RMV(Red maddox rod,vertical)
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GL(Green filter)
WMH(White maddox rod,horizontal)
WMV(White maddox rod,vertical)
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P45°(Polarizing filter,axis
45°)
P135°(Polarizing filter,axis 135°)
R(Retinoscopic lens.+2.00D,for 50cm) |
Interpupillary 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 corneas (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
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| MODEL
VT10 |
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Main Specifications
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 in 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 in 1ΔD step
Auxiliary lens:
| Right eye |
Left eye |
|
O(Open aperture)
OC(Occluder)
± .50(Fixed cross cylinder) |
| 6ΔU(6 prism dioter base Up) |
10ΔU(10 prism dioter base
Up) |
|
PH(Pinhole)
+ .12(+0.12D sphere lens) |
RL(Red filter)
RMH(Red maddox rod,horizontal)
RMV(Red maddox rod,vertical)
|
GL(Green filter)
WMH(White maddox rod,horizontal)
WMV(White maddox rod,vertical)
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|
P45°(Polarizing filter,axis
45°)
P135°(Polarizing filter,axis 135°)
R(Retinoscopic lens.+2.00D,for 50cm) |
Interpupillary 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 corneas (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
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