4 Units Optical Flipper Optometry Plastic Flip Trial Lens Plastic Confirmation Flipper Ophthalmic Flipper Optical Instruments (4pcs/Set (±0.50, ±1.00, ±1.50, ±2.00))

The item contains 4 units plastic confirmation flippers: +/-0.50 D, +/-1.00D, +/-1.50 D, +/-2.00 D.

Thick and solid lenses and rim, each degree shown close to the lens.

Excellent quality and favorable price.

The handle has two grooves, antislip design and easy to hold.

Bigger size than ordinary flippers enables easier use and more clear measure.