This set is presented in a smart wooden box and comprises the following 13 lenses: 6 plus (+) Spheres: 1, 2 , 4, 5, 6, and 8 dioptres; 3 minus (-) Spheres: 1, 2, and 3 dioptres; 4 minus (-) Cylinders:1, 2, 3, and 4 dioptres.