Pelli Robson Contrast Sentivity Chart Manufacturers in Delhi.Pelli- Robson Contrast Sensitivity Chart This chart has letters that subtend an angle of 3 degrees at a distance of 1 meter. The chart is printed on both sides; the other side has letter sequences in a different order. The letters are arranged in a series of two triplets in each line. The contrast reduces from one triplet to the next.
| Material | Cardboard |
| Characters | Alphabets |
| Digital | No |
| Shape | Rectangular |
| Brand | ASF |
| Language | English |
| Usage/Application | Clinic, Hospital |
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