Colombo, 26/09
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LED illuminated Snellen eye chart light box
Brand New
Condition
-Standard Snellen Letters (Optotypes): The chart displays 11 rows of standardized letters starting with a large "E" at the top. As the rows progress downward, the letters decrease in size, corresponding to varying levels of visual sharpness at specific testing distances. -Acuity Notations: On both sides of the rows, you can find the distance specifications (e.g, and 20/10) in both feet and meters, allowing practitioners to determine a patient's visual rating. -Color Screening Bars: A red bar and a green bar are built into rows 7 and 8, which can assist in basic color vision discrimination or duochrome testing. -Astigmatism Clock Dial: Located at the bottom left, this sunburst wheel pattern features numbered lines radiating outward to help identify the presence and orientation of an astigmatic refractive error. -Red/Green "A B" Blocks ...
Rs 38,000
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