Product Details:
| Minimum Order Quantity | 500 Piece |
| Material | Cardboard |
| Characters | Alphabets |
| Digital | No |
| Operation Mode | Manual |
| Shape | Rectangular |
| Type | Portable |
| Test Distance | 20 Feet |
| Display Resolution | 1920 x 1080 Pixels |
| Display Size | 18.5 Inch |
| Language | English |
| Usage/Application | Hospital |
| Packaging Type | Pack |
1920x1080 Pixel Snellens Distance Vision Chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula developed by his professor Franciscus Cornelius Donders.Many ophthalmologists and vision scientists now use an improved chart known as the LogMAR chart.
Product Details:
| Material | Cardboard |
| Characters | Alphabets |
| Digital | No |
| Operation Mode | Manual |
| Shape | Rectangular |
| Type | Portable |
| Test Distance | 20 Feet |
| Display Resolution | 1080 Pixels |
| Display Size | 22 Inch |
| Language | English |
| Usage/Application | Hospital |
| Packaging Type | Pack |