- 104 pcs trial lenses made of glass
- The lens is 36 mm inner diameter and 38 mm outer diameter with Metal Rim
- A free gift trial frame as a backup (no specific PD value )
- Portable aluminum box
- 38mm Outer Diameter
This 104 pcs trial lens set is a small potable ophthalmology calculating apparatus used in the home or glasses shops to exam a person's refractive error including hyperopia, myopia, presbyopia and astigmatism etc.
104 Trial lens set including:
Spheres: 18 pairs each of concave and convex
0.25D to 2.00D in 0.25 steps
2.50D to 4.50D in 0.50 steps
5.00D to 8.00D in 1.00 steps
Cylinders: 6 pairs each of concave and convex
0.25D to 1.00D in 0.25 steps
2.00D to 3.00D in 1.00 steps
Prisms: 4 pieces
0.5 , 1.0, 2.00, 3.00
Accessories: 4 pieces
BL, RF, FL
Cross cylinder 1 piece: 0.25 or 0.5
The trial frame coming with the trial set is just a free gift with a specific PD value. The PD value might not be as shown in the picture, it can be 64, 66 or others. If you need trail frame, please refer this link:
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