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266pcs Trial Lens Set
A variety of lenses to meet optometry requirements
The trial lens set is an ophthalmology calculating apparatus used in hospital ophthalmology departments and eyeglasses shops to exam a patient’s refractive error - including hyperopia, myopia, presbyopia, astigmatism, strabismus or color blindness. It usually contains sphere lenses, cylinder lenses, prism lenses and other accessory lenses, etc.
Each of our trial lens sets include a fixed PD lens frame randomly.
Product Features
- The plastic rim is durable and light.
- The glass material gives a high light transmittance.
- Colorful plastic rims are helpful for distinguishing lenses with different functions.
- The design of the tray makes the insertion more convenient.
- The included case with its combination lock maximizes lens protection.
Packing List：
- Aluminum Case X 1
- Lens X 266 pcs
- Trial Lens Frame X 1
- Instruction X 1
- Lens Cloth X 1
What's in the case?
Lens Functions
Spheres(160 pcs)
Spherical lens includes concave lens (-) and convex lens (+). The former is used to correct myopia and the latter hyperopia and presbyopia.
Cylinders(80 pcs)
Cylindrical lens consists of concave (-) and convex (+) cylindrical lens. They are used to correct astigmatism.
Prisms(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 muscles.
Accessories (14pcs)
RF, GF, BL, FL(2), PL(2), MR, SS, CL(2), PH, Cross cylinder: 0.25(1), 0.5(1)
Combination Lock
How to open
These locks come factory set to 000. To open the case, just push the button outward.
How to reset password
Reset the combination to whichever 3 digits you like while pushing the button inward.
Notice
Please remember the password you set, or you will be unable to close or open it.
Marcos T.
Reviewed in the United States on December 10, 2024
Es lo que esperaba, satisfecho con el producto y con la entrega. Lo volvería a comprar realmente, aunque con menos piezas, una caja un poco mas chica.
Giancarlo Dinarte
Reviewed in the United States on October 18, 2024
A pesar que el producto es de muy buena calidad, presentó un detalle, que al momento de ser embalado no se percataron que uno de los cristales se dobló, llegando deforme la pieza una vez que abrí la caja, el tiempo de entregas estuvo acorde a lo estipulado y como mencioné anteriormente el producto es de muy buena calidad el único detalle fue el ya mencionado
Christian Moreno castillo
Reviewed in Mexico on January 24, 2024
La calidad de los cristales y plásticos da mucho que desear
Jim Rodgers
Reviewed in the United States on April 13, 2024
Sorry I bought it. -- Hard to use because: No JCC handles, Lens not clear, Poor cylinder markings, Hard to hold, and always smudged. You can do it over and over, each time cleaning the lenses more. And forget about using the two JCC lenses. -- You basically cannot see through SPH + CYL + PRISM. Zero. Like wax paper. -- The included "backup trial lens frame" is very good to use, despite PD=62mm, fixed. Still, it needs the JCC tweak to get the angle exact, at least. -- You should get one of the more expensive "266 pcs Optical Trial Lens Set" products with better quality. It must have (1) "266 pcs" and (2) include the JCC handles (3) have metal lens rims, and finally, (4) a simple trial lens frame. This is the absolute minimum.
Bruce
Reviewed in the United States on November 7, 2023
Be aware that the trial lens set I got had one lens that was not labeled correctly. The lens was labeled as -0.75(concave) but was actually a +0.75(convex) lens. I had to buy an expensive lensmeter to check every lens (250+) to make sure each one was accurately labeled. There were also some higher power lenses that were 0.25D off, based on the lensmeter reading, so unless you are willing to check your set, you could be ordering glasses that are way off what subjective refraction is indicating. I also asked customer service to replace the one lens and they would not.
Ed Berry
Reviewed in the United States on November 16, 2023
Good set of lens. I am not a optometrist. starting from scratch was able to work up a prescription for my son . That was almost a exact match to his prescription from a well known optometry center. And made a improvement on my own. Got me down to 20/20 vision from the 20/30 my optometrist had me at. So overall I'm pleased. You will need a different pair of trial lens frames though. Probably not for everyone but definitely a fun experiment and very interesting.
HASSAN M.
Reviewed in the United States on June 6, 2021
Lences adjustable trial fram is cheap, a plastic garbage.
Richard R Deupree
Reviewed in the United States on March 4, 2020
Having a set of opticians lenses allowed me to adjust my prescription on real world targets, especially the ones that cannot readily be reproduced in opticians' chairs under fairly bright light, looking at black letters on a bright white background. Stars outdoors make the best acuity test targets.The trial frame was inexpensively made having plastic gears which made sensitive adjustment difficult, and astigmatism correction is exceedingly sensitive to the angle. Prism is also sensitive to angle, but not quite as much. An option for an upgraded trial frame would be good, having 360 degree rotation and tight gears and a Vernier readout for angle. It would be nice if the lenses fit into the trial frame with some kind of notch to force angular alignment, a more expensive set could allow prism and astigmatism to rotate separately.Value for price - good, I would not recommend this set for extended professional use although it is very well packaged and very portable and its case and such is excellent. With an upgraded trial frame, it would then serve adequately.
vanesa
Reviewed in the United States on May 29, 2019
Todo llego perfecto el producto re completo... Facil de llevar
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