The Economy Trial Lens Set has the same number of lenses (226 pieces) as the
Standard Trial Lens Set with both plus and minus cylinders, only without color plated rims and handles. The Economy Trial Lens Set includes:
Trial Lens
Spheres, in pairs of both plus and minus, include; 0.12D, 0.25D, 0.37D, then 0.50D through 6.00D in 0.25 diopter steps, 6.00D through 8.00D in 0.50 diopter steps, 9.00D through 14.00D in 1 diopter steps, and 16.00D through 20.00D in 2 Diopter Steps.
Trial Lens
Cylinders in pairs of both plus and minus; 0.12D to 2.50D in 0.25D steps, 3.00D to 4.50D in 0.50D steps. Also one pair 5.00D and one pair of 6.00D in plus & minus.
Trial Lens
Prisms 3D,4D,5D,6D,7D and 8D
Trial Lens
Prism Pairs 2D, 1D and 0.50D
Auxiliary Trial Lenses; Red, Green, 1mm Pinhole, 1.5mm Pinhole, Slit, and Occluder.
The Economy Trial Lens Set has a removable tray for use in an office trail lens cabinet drawer. The OS-8025 is an excellent trial set for ophthalmology, optometry and opticianry students.