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Vision tester VISTA - VISTA

high quality, competitive price - more info check here: http://www.buymeasuringtools.com/Vision-tester-VISTA-10210594/

Quick Brief

Place of Origin: China (Mainland) Brand Name: AUMED Model Number: VISTA

Product Features:

high quality, competitive price

Business Terms:

Port: beijing

Minimum Order Quantity: 1 Piece/Pieces

Supply Ability: 5000 Piece/Pieces per Year

Payment Terms: L/C,T/T

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Vision tester VISTA
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Product Packagings & Delivery Terms:

Packaging Detail: standard

Delivery Detail: within 4days

Specifications and Product Details:

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 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 20D in 1D step

Right eyeLeft eye

O(Open aperture)

OC (Occluder)

± .50(Fixed cross cylinder)

6U(6 prism dioter base Up)10U(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)

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 filed of view: 19mm

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