this version of the Amsler test provides 7 different grids
1. Standard Amsler Chart (white on black)
2. Central (Scotoma Diagonal)
3. Color Scotoma: red grid on black
4. No Lines: white dots on black reveals a scotoma without distortion
5. Metamorphopsia: parallel white lines on black used with patients needing a more simplified Amsler Grid and are presented both horizontally and vertically
6. Metamorphopsia Reading: parallel white lines on black with central lines added
7. Juxta-central: standard grid with small squares used for patients with small central scotoma
the grid measure 6.25" x 6.25" (15x15cm) - printed on durable styrene and includes score sheet