Visual Acuity Tests

Ishihara Color Blindness Book

Ishihara's color perception test charts are recognized internationally as a highly reliable method of determining color deficiency. With normal color perception, the images and numbers will all be visible. Each color test plate in this hard bound.
Book is specially printed to measure incrementally higher color sensitivity and specificity. The Ishihara Color Test is available in 14, 24, or 38 Plate Editions.

Note :We’ve taken a genuine Kanakara - Japan manufactured Ishihara test.
CAT No. KL-22.010 Ishihara's Book 38 Plates
CAT No. KL-22.020 Ishihara's Book 24 Plates
CAT No. KL-22.021 Ishihara's Book 14 Plates

Prism Bar

CAT No. DP-3301

Excellent for measuring:
Fusional reserves - which can help in your diagnosis of binocular vision problems. Phorias & squints - which can improve the accuracy of your estimations & monitoring. Box comprising a horizontal and a vertical prism bar and two additional prisms of 45

Specification:-

Vertical Prism Bar:-
With 1/2/3/4/5/6/8/10/12/14/16/18/20/25D and an additional prism of 30D.
Horizontal Prism Bar:-
With 1/2/4/6/8/10/12/14/16/18/20/25/30/35/40D and an additional prism of 45D.

Distance Vision Chart

CAT No. DP-4404, DP-4406
The Snellen eye chart was originally introduced in 1862 by Herman Snellen. The Snellen eye test uses the idea of a subtended 5 minutes of arc with a 20 foot distance. This became the "standard vision" measurement. Also, Snellen developed the idea of a 5x5 grid for a standard for his optotypes. Each optotype must meet certain percentage requirements in this grid before it is used for testing. This helps to make a uniform and equal vision chart. The Snellen eye test is the basis for many other vision tests.

Specification:-
Non-reflecting, matte finish eye charts, Designed for vision testing at 20 foot distance, Eye chart measures 22 x 11 in.

Kindergarten Eye Test Chart

CAT No. DP-4409, DP-4411
This Kindergarten chart uses several different symbols for pediatric testing. These symbols includes a heart, star, circle, boat, cup, moon, plane, phone, bell, hand and flag. The use of these symbols helps make this chart great for testing preliterate children. Chart is high contrast for accurate pediatric acuity testing. Can be used for a school screening.

Specification:-
Non-reflecting, matte finish eye charts, Designed for vision testing at 20 foot distance, Eye chart measures 22 x 11 in.

Schiotz Tonometer

CAT No. KL-30.020
Tonometer according to Prof. Schiotz for measuring the Intraocular pressure. All main parts are made of High Quality Brass and are chrome plated. Red needle enables easy reading of the scale. The instrument comes complete with 3 weights (5.5 gram, 7.5gram, 10 gram) and conversion table in Blue Presentation case.

Specification:-
High quality agate bearing for an extremely long service life.
Precision measurement on a scale of 0 to 20 subdivisions and 0 to -1 sub-divisions.
Perfect reading of the scale with red pointer, All vital parts are made of stainless steel, other parts are chrome-plated Complete in a blue deluxe case.
Supplied with three weights (5.5 g, 7.5 g, 10 g) and a conversion table.

Trial Frame Rotating

CAT No. KL-21.050
Rotating Lightweight Trial Frames designed to maximize patient to be comfortable by minimizing frame weight. Yet retaining high durability quick and easy adjustment of both PD and corneal alignment are obtainable, while providing a sure mounting for trial lenses.

Specification:-
Range of PD adjustments: PD of both eyes 48 ~ 80mm Minimum graduated value 1mm
Inner diameter of lens frame: F32.5mm
Number of lens, which can be inserted into left or right lens frame simultaneously: 4 pieces
Degree of lens rotating around optical axis in the lens frame: 3600
Non-parallelism between lens optical axis and lens frames geometric axis: =2.50
Non-concentricity between lens optical center and lens frame geometric center: =0.5mm
Displacement of lens in relation to position of lens frame geometric center: =0.3mm

Trial Frame Simple

CAT No. KL-21.060
Adjustable trial frame is a light weight trial frame. With aluminum body and stainless steel sides. The Cells are spaced to accommodate reduced aperture lenses only. It is designed to hold 8 lenses and it permits smooth and easy manipulation of bridge & P.D.

Specification:-
Plastic and metal frame to keep weight to a minimum. Frame offers range of PD from 52-82. Will hold lenses in front, one in back of each eye. Adjustable temples length and pano adjustment .
No mechanical rotation of lenses.

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