ri-scope® retinoscope - Riester

ri-scope® retinoscope

ri-scope® retinoscope

The ri-scope® retinoscope, also referred to as the skiascope, measures the refractive power of the eye. Refractive flaws, such as near- and far-sightedness, as well as astigmatism can be detected and diagnosed. Riester offers to model: the split-light retinoscope (glow is a stitch).

Easy to operate Retinoscope

Easy to operate with knurled thumb screw. The line image can be focused with the controls and turned 360º, angle read-out displayed on the integrated scale. Holder for hanging and placement of the fixation card into position for dynamic retinoscopy.

Retinoscope details

  • 360° scale
  • Examination window
  • Knurled thumb screw
  • Bayonet fitting to quickly switch instrument heads

Two fixation cards

ri-scope® retinoscope in case

ri-vision

Features and Benefits

  1. Available with XL 3.5 V xenon lamp or HL 2.5 V halogen lamp
  2. The slit-light retinoscope with a light beam in the form of a line, simplifies detection and diagnosis of astigmatic refractive flaws. The reflex in the form of a line is moved vertically to the axis across the pupils of the patient with a slight oscillating movement. A shadow moves in the same or opposite direction.
    • Co-movement (plus lines): The patient is far-sighted.
    • Counter-movement (minus lines): The patient is near-sighted.
  3. Easy to operate with knurled thumb screw. The line and spot image can be focussed with the controls and turned 360°, angle read-out displayed on the integrated scale.
  4. Holder for hanging and placement of the fixation card into position for dynamic retinoscopy.
  5. Delivered with two fixation cards. The patient’s eye can adjust optimally to the distance to the retinoscope.
  6. Integrated eyeglass protection
  7. Bayonet fitting for quick and secure attachment to the handle
  8. Dust-proof, very sturdy and light casing made of impact-resistant ABS plastic
Specifications: ri-scope-retinoscope

Dimension

The lamp for ri-scope® retinoscope Slit - HL 2.5V 440 mA mean life span 15h
Slit - XL 3.5V 690 mA mean life span 50h
Battery 2 Alkaline AA / C 1.5V batteries.
1 Li-Ion battery pack for C-handle
Ambient temperature 0° to +40° C
Relative humidity 30% to 70% non-condensing
Storage/ Transport ambient temperature -10° to +55°C
Storage/ Transport relative humidity 30% to 85% non-condensing
Air pressure/ Transport relative humidity 800 hPa - 1100 hPa

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ri-scope® retinoscope
ri-scope® retinoscope

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