FeaturesGrade AHigh qualtiy 16 pcs trial lenses made of glassessilver metal rim, glass material36mm inner diameter, 38 mm outer diameterplastic lens holder and carton
Product FeaturesGrade A104 pcs Glass trial lenses36 mm inner diameter and 38 mm outer diameter with Metal RimA free gift trial frame as a backup (no specific PD value )Portable aluminum box Specific Lens104 Trial lens set including: Spheres: 18 pairs each of concave and convexCylinders: 6 pairs each of concave and convexPrisms: 2 piecesAccessories: 6 pieces(BL,RF,PH,FL,SS,Cross cylinder 1 piece: 0.25 or 0.5)
Specifications:plastic rimTrial lens material: glass26mm Inner Diameter, 38mm Outer Diameter1 set = 5 lenses (optional)
Specifications:Silver metal rimTrial lens material: glass36mm Inner Diameter, 38mm Outer Diameter1 set = 5 lenses (optional)
Product featuresGrade A266 pcs glass trial lensesmetal rim36mm inner diameter, 38mm outer diameterPortable PU leather case A free trial frame as a back up (no specific PD value)Specific Lens266 Trial lens set including: Spheres: 40 pairs each of concave and convexCylinders: 20 pairs each of concave and convexPrisms: 12 piecesAccessories: 14 pieces; RF,GF,BL,FL(2),PL,MR(2),SS(2),CL(2),PH(2) ,Cross cylinder: 0.25(1), 0.5(1)
Product featuresGrade AHigh qualtiy 266 pcs trial lenses made of glassessilver metal rim, glass material36mm inner diameter, 38 mm outer diameterA free trial frame as a back up (no specific PD value )Portable lint inner wood frame portable aluminum boxSpecific Lens266 Trial lens set including: Spheres: 40 pairs each of concave and convexCylinders: 20 pairs each of concave and convexPrisms: 12 piecesAccessories: 14 pieces; RF,GF,BL,FL(2),PL,MR(2),SS(2),CL(2),PH(2) ,Cross cylinder: 0.25(1), 0.5(1)
Product features266 pcs Trial Lens Set, glass materialPlastic Rim in Aluminum Case With a Free Trial Frame (no specific PD value )26mm Inner Diameter, 38mm Outer DiameterSpecific Lens266 Trial lens set including: Spheres: 40 pairs each of concave and convexCylinders: 20 pairs each of concave and convexPrisms: 12 piecesAccessories: 14 pieces; RF, GF, BL, FL(2) ,PL(2), MR, SS, CL(2), PH ,Cross cylinder: 0.25(1), 0.5(1)
Product Features104 pcs trial lenses made of glassThe lens is 36 mm inner diameter and 38 mm outer diameter with Metal RimPortable aluminum boxA free gift trial frame as a backup (no specific PD value )104 Trial lens set including:Spheres: 18 pairs each of concave and convexCylinders: 6 pairs each of concave and convexPrisms: 4
Product features266 pcs Trial Lens Set, glass materialPlastic Rim in Aluminum Case With a Free Trial Frame (no specific PD value )26mm Inner Diameter, 38mm Outer DiameterSpecific Lens266 Trial lens set including: Spheres: 40 pairs each of concave and convexCylinders: 20 pairs each of concave and convexPrisms: 12 piecesAccessories: 14 pieces; RF, GF, BL, FL(2) ,PL(2), MR, SS, CL(2), PH ,Cross cylinder: 0.25(1), 0.5(1)
Product featuresFixed PD: not adjustableColor: gray(PD=60/62/66 mm) and green(PD=64 mm)Inner Frame Aperture: Φ33mmMaterial: alloy and plastic, super lightFour lens slots: three in front and one in backAxes Scale of Index Plate: accurateMulti-function: The length of the leg and the astigmatism axes are all adjustable.
Product featuresInner Frame Aperture: Φ33.5mmMaterial: titanium, plastic and stainless steelFour lens slots, three in front and one in backAxes Scale of Index Plate: accurateMulti-function: The PD , the height of the nose pad, the length and angle of the leg and the astigmatism axes are all adjustable.Easily-shaped ear rests and soft nose pad:Ergonomic designed , more comfortable to wear.
Product featuresInner Frame Aperture: Φ32.5mmMaterial: alloy, plastic and stainless steelFour lens slots, three in front and one in backAxes Scale of Index Plate: accurateMulti-function: The PD, the height and angle of the nose pad, the length and angle of the leg and the astigmatism axes are all adjustable.Easily-shaped ear rests and soft nose pad:Ergonomic designed , more comfortable to wear.
Product featuresClear optical line, precise optical structure, and measurement.Display the results of two eyes separately.Easy operation and fast measure.Auto power off and memory function save energy and meanwhile ensure the data won't lose.Monocular measure is also available.Packing listPD meter X 1User's Manual X 1
DescriptionMaterial and Durability: This vision chart is constructed from thick and robust PVC material, ensuring its toughness and waterproof properties. The matte finish effectively eliminates glare and reflections, creating an optimal testing environment for precise results.Accurate Size and Design: Each optotype on the Snellen chart is meticulously designed according to the one-minute visual angle principle, guaranteeing precise measurements for accurate vision assessments. The incorporation of red and green color bars facilitates the evaluation of red-green color
Product DescriptionMain features:-Cornea reflection light coincidence method is used.-This operates by aligning luminous points on the pupils with the measuring line.-Results are displayed digitally in LCD window: Right, PD, Left.-Steps: 0.5mm.-Monocular and binocular PD are measurable.-Automatic power shut-off in one minute after operation is completed. Specifications:-Range of measurement: 45-82mm(Total) in 0.5mm steps, 22.5-41mm(Each) in 0.5mm steps-Display: Liquid crystal digital display-Fixation target: Green dot on illuminated background-Focus range: 30cm to infinity-Illumination:
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