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DR-1900 Ophthalmic diagnostic set ophthalmoscope and streak retinoscope
DR-1900 Ophthalmic diagnostic set ophthalmoscope and streak retinoscope
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Product Description

Features

>> Multi-coated optics
>> A single control sleeve for vergence and rotation.Comfortable operation.
>> Totally dustproof, maintenance free
>> Metal handle-for long lasting operation
>> Superior streak quality enables easier and quicker refractions-even in patients with small pupils
>> The powerful, bright bulb ensures easy recognition of neutralisation.
>> The lowest position gives a divergent beam.

1. 3.5V Coaxial Ophthalmoscope.

Coaxial Ophthalmoscope enable easy entry into undilated pupils for more accurate diagnoses,while two filter selections provide optimum light levels for entering healthy eyes and those with cataracts

2. 3.5V Streak Retinoscope.

3.5V Streak Retinoscope is designed exclusively to determination of the refraction of the eye. The streak retinoscope is found by most practitioners to be easy to use, fast, accurate, and especially valuable in determining the axis of astigmatism.


Specifications

3.5V Coaxial Ophthalmoscope
Diopter0D, ±1D, ±2D, ±3D, ±4D, ±5D, ±6D,±7D, ±8D,±9D, ±10D, +12D, ±15D, ±20D,-25D,+40D
ApertureLarge aperture,Small aperture,Micro aperture,Slit aperture,Cobalt blue aperture,Fixation aperture
FilterRed free filter / Polarizing filter
Bulb3.5 V 2.7 W
Operation modeIntermittent, On-time should not exceed 2 mins with Off-time not less than 5 mins
3.5V Streak Retinoscope
Rotation≥ 190°
Distance from the device to which the real imagea of the lamp filament is adjustable≤ 450 mm
Distance from the device to which the virtual imagea of the lamp filament is adjustable≤ 450 mm
Length of streak imageb≥ 30 mm
Width of streak imageb≤ 1.5 mm
Deviation from linearity of the streak image at the focusb≤ 2 mm
Rotation decentring of centre of streak imageb≤ 2 mm
A All distances are measured from the light exit of the device
B When focus at 500 mm
Electrical Specification
Bulb3.5 V 2.7 W
Operation modeIntermittent, on-time should not exceed 2 min with off-time not less than 5 min


Consist of:

1 x DM6D Rechargable Ophthalmoscope Set A
1 x SR24A Rechargable Streak Retinoscope Set A
1 x DT802 Desk Charger
1 x Power adapter
1 x Carton Box.


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