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 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.
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 |