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Specification
AgeRangeDescription : little_kid
Amperage : 2 amps
Brand : LHQYA
BulletPoint1 : Accurate and Clear Axis Angle: The astigmatism axial position disk scale ranges from 0 to 180°, and each small division is 5°.
BulletPoint2 : Accurate Diopter: Our eye refraction is accurate with an error of less than 0.25 units D. Its adjustable range is +4.00D to -5.00D.
BulletPoint3 : 3 Pupil Sizes: Our model eyes have three difficulty levels with different pupil sizes: φ3, φ5, φ7, which can simulate small pupils, normal pupils and enlarged pupils.
BulletPoint4 : Easy To Use : Simulated design is more convenient to practice optometry, easy and flexible to operate. Degree of astigmatism axial angle disk: 0~180 degree.
BulletPoint5 : Retinoscope Practice : Coordinate with the retinoscope practice, simulate real eye. There is scale on the lens-barrel which represents different ametropia.
Color : Assorted Color
EducationalObjective : 1
ExternallyAssignedProductIdentifier : 8465289905095
IncludedComponents : ZnSe Focusing Lens
ItemDisplayDimensions_Length : 1.65 inches
ItemDisplayWeight : 0.12 pounds
ItemName : LHQYA Optical Retinoscope Eye Model, Optical Retinoscopy Optometry Teaching Tool, Axis Angle Disk Degree: 0~180°/Diopter is +4.00D to -5.00D, for Students
ItemPackageDimensions_Height : 0.39 inches
ItemPackageDimensions_Length : 7.09 inches
ItemPackageDimensions_Width : 2.76 inches
ItemTypeKeyword : science-classroom-optics-kits
ItemVolume : 3.53 cubic_centimeters
Manufacturer : LHQYA
ManufacturerMinimumAge : 180
Material : Plastic
Material1 : Plastic
Material2 : Alloy Steel
MaximumPower : 24 watts
ModelNumber : Optics1969
NumberOfItems : 2
OutputWattage : 24 watts
PartNumber : TY0259001387
ProductDescription : Product parameters
Name: Retinoscopy Simulation Eye
Colour: Black
Dioptric adjustment range: +4.00D~-5.00D
Pupil diaphragm: 3, 5, 7
Weight: 448g
Dimensions: height 135mm, bottom diameter 74mm
Purpose: simulated optometry practice
Product List:
1 x Retinoscopy simulated Eye

Note: This product requires manual adjustment and zeroing during calibration. If you notice a difference in the zero position, make adjustments based on your vision. Use a screwdriver to loosen the white screw on the top indicator piece, move the black indicator piece to zero, and then tighten it with a screwdriver.
Be careful not to use excessive force to avoid damage. If warping occurs, repair it with glue.
ProductSiteLaunchDate : 2025-03-01T02:25:52.491Z
Size : 4.30X4.30X1.00CM
SpecificationMet1 : CE
SpecificationMet2 : RoHS
Style : Modern
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
TargetAudienceKeyword1 : adults
TargetAudienceKeyword2 : adults
TargetAudienceKeyword3 : adults
Theme : 1
UnspscCode : 53000000