Product Description
This set of full view lenses can help in the diagnosis of hyperopia (farsighted), myopia (nearsighted), presbyopia (farsightedness caused by loss of elasticity), astigmatism, strabismus, and color blindness. It is the cost effective option for the home user or ophthalmology enthusiast. This product ships from the United States.
Packing Listing:
- Portable Aluminum Case X 1
- Lens X 266 pcs (Made of glass, 36 mm inner diameter and 38 mm outer diameter with metal rim)
- Trial frame X 1 (A free gift trial frame as a backup, no specific PD value)
- User Manual X 1
- Lens cloth X 1
Product Details
266 Trial lens set including:
- Spheres: 80 pairs each of concave and convex
- Cylinders: 40 pairs each of concave and convex
- Prisms: 12 pieces
- Accessories: 14 pieces
Spherical lens(160 pcs): Spherical lens includes concave lens (-) and convex lens (+). The former is used to correct myopia and the latter hyperopia and presbyopia.
Cylindrical lens(80 pcs): Cylindrical lens consists of concave (-) and convex (+) cylindrical lens. They are used to correct astigmatism.
Prismatic lens(12 pcs): The tangent plane of a prismatic lens is a cuneiform. This kind of lens is used to exam and correct strabismus or heterophoria as well as to train eye-muscle.
Accessories(12+2 pcs): PL(2), CL(2), FL(2), RF, GF, BL, MR, PH, SS, Cross cylinder 2 pieces: 0.25 and 0.5
Combination Lock Instruction
1. How to open:
These locks come factory set to 000. To open the case, just push the button outward.
2. How to reset password:
Reset the combination to whichever 3 digits you like while pushing the button inward.
3. Notice:
Please remember the password you set, or you will be unable to close or open it.
All Options
Note
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: