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Volk 90D
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Product Details:
Material
Glass
Brand
Volk Usa
Light Source Type
LED
Model Name/Number
76
Usage/Application
Hyperopia
Type
Daily Wear Soft
Eyesight Power
yes
Lens Bevel
yes
Viewing Range
good
Optic Diameter
good
Haptic Shape
best
Haptic Design
yes
Finishing
yes
Size
free
Packaging
box
Color
Blue
Country of Origin
Made in India
The Volk 90D is the most widely known fundoscopy lens and is to date considered the gold standard in exam rooms across the world. The small profile of the 90D coupled with its optical profile makes it a great first lens. This lens is a perfect choice for general examination and retinal imaging. This lens can be used to get through small pupils for patients who do not prefer or accommodate dilation and as a result is also a popular choice for undilated retinal exams.
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Volk 20D
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Product Details:
Material
Glass
Light Source Type
LED
Model Name/Number
Volk 20D Double Aspheric Lens
Usage/Application
Hyperopia
Brand
Volk Usa
Type
Daily Wear Soft
Eyesight Power
yes
Lens Bevel
yes
Viewing Range
good
Optic Diameter
good
Haptic Shape
best
Haptic Design
yes
Finishing
yes
Size
free
Packaging
box
Color
Blue
Country of Origin
Made in India
Perhaps the most recognized lens around the world, the Volk 20D is the lens that started the legacy of double aspheric lens design for BIO and is still considered as a gold standard. The contributing factors for this are the perfect balance of field of view and magnification of the 20D. The working distance of 50 mm also makes lens manipulation a comfortable experience for the examiner. This lens is perfect for general diagnosis of patients with a 3x magnification and field of view that allows visualization up to the mid peripheral region. The dynamic examination with the appropriate eye movements by the patients allows viewing of the peripheral retina as well as detailed examination by BIO in the primary position provides a comprehensive estimate of retinal health. Thus, this lens is a great choice both as a first line of diagnosis as well as a high level central retinal examination.
