Optical Retinoscope Schematic Refraction Eye Model Practice Training Eye Refraction Checker F12 20 Dropship

Standard retina has accurate color reproduction with the corresponding physical dimension focal length ratio. Ametropia (-a + 4.00D 5.00D), you can put any power on it to train by inculding the lens cylinder. 3 difficulty levels with change in pupil size (3, 5, 7mm), switchable by small, general and mydriatic . 3 layers of walls for arefraction lenses or definition of different degrees of astigmatism and axial cylinder. Degree of axial astigmatism disc angle is 0 ~ 180 °, Flexible support with height adjustment. Eye refraction checker only, other acceories demo in the picture is not included!

Specification: Type: Eye Refraction Checker Material: Optical lenses, Metals, Plastics Diopter adjustment range: 9.00D Pupil diaphragm:φ3, φ5, φ7 Applications: Refractive examination, eye test, practice Features: Refractive examination, eye refraction check, beginner, practice, recommended adjustment, easy to operate Dimension: app.13.5x7.5cm/5.31x2.95in Color: Black Quantity: 1 Pc

Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes: 1 Pc x Eye Refraction Checker

About shipping
Shipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days ar buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

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Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

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If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.