Tumbling E, Sloan Letter, Astigmatism & Vergence Projector Slide

This projector slide for astigmatism and vergence features the following optotypes:

• Tumbling E from 20/400 to 20/200
• Sloan Letters (upper portion) from 20/100 to 20/10
• Astigmatic Clock Test
• Vertical Lines for Vergence from 20/40 to 20/10
• Sloan Letters (lower portion) from 20/50 to 20/10
• Astigmatic Blocks