Trial Lens Sets
The kit includes both concave (-) and convex (+) spherical lenses to examine myopia, hyperopia and presbyopia. Powers include ± 0.25D to ± 20.00D in 025D steps.
Examine astigmatism with the plus and minus cylindrical lenses included in the TL-266. Powers range from ± 0.25D to ± 6.00D.
Cross Cylinder Lenses
These lenses will help you examine the degree and axis position of the cylindrical lens when determining astigmatism.
You can perform prism testing up to 10∆D with the TL-266 Trial Lens Kit.
Select from your choice of a leather or aluminum case with the TL-266. Both designs feature dual combination locks for security.
- Sphere power: 0.12D~ 4.00D (0.25 step) 4.00D~6.00D (0.50step)
- 7.00D~ 20.00D (1.00 step )
- Cylinders Power: 0.12D ~ 4.00D ( 0.25 step) 4.00D~6.00D (0.50step)
- Prism: 1.00, 2.00, 3.00, 4.00, 5.00, 6.00, 7.00, 8.00, 9.00, 10.00
Perimeter TLMT-68 Trial lens set