90D Slit lamp aspheric retina lens

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Item#

90D

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Description

Model	90D
Color:	Black
Net weight:	10g(1pc)
Weight with case:	95g(1pc)
Case size:	8x8x4cm(1pc)
Gross weight:	200g(1pc),353g(2pcs)
Packing size:	17x13x9cm(2pcs)

Overview:

Retina lenses(for Slit Lamp) are used to observe patient's fundus and examine the internal situation of patientss eyes through their papillary in coorination with Slit Lamp microscope.It helps doctors to make correct diagnosis of patient's eye diseases and other symptoms.

The products are complying with the relevant provision of ISO 13485.

The specification of retina lenses:

Specification	Image Magnifiers	Laser spot magnifiers	Static FOV α（°)	Working distance(mm)	Clear Aperture	Dimension(mm)
20D	3.13X	0.32X	46°	50.0	48.0	Φ56x20
78D	0.93X	1.08X	81.4°-97°	8.0	26.0	Φ33x15
90D	0.76X	1.32X	74.2°-89°	7.0	21.0	Φ27x13

Users should be familiar with the operation of retina lenses and slit lamp microscope.

When using the lens to examine patients' eyes,the user should align the lens and patients' pupil,and make sure that the shield ring of the lens face to doctor and the other side to patients' eyes.

There should be a sufficient distance between the lens and patients' eyes,so that the size of retinal imaging would be the same as the diameter of the lenses.

Please minimize the brightness of lights as far as possible.Doing in the way can reduce the reflectiveness and improve the imaging contrast.

Cleaning and maintenance:

Cleaning:Wipe the lenses with soft cotton dipped with absolute alcohol.

Warming:Do not expose the lenes to high-pressure or do not boil the lenses for sterilization.

Notes:

Please do not store or use this equipment in the environment of flammable,explosive,high temperature,high humility and dust.Do use it in the clean room and pay attention to maintain the product clean and dry.

Do not wipe the surface of the lens with hands or hard object.