Bright and Clear images,Faster and Silent Operation, Remote Operated Decimal notation,Large choice of opto type for different diagnostic needs, Different masking [ single, vertical & horizontal. To test the patients visual acuity such as Myopia or Hyperopia using 31 different opto types with provision to vary the projection distance from 2 to 6 Mts. Auto chart projector provides improved acuity; clear image projection and fast chart change over