Eye Model
Eye Model
Prices are available in CAD and USD. Use toggles at top of page to change. Cataract Eye Model is perfect for patient education about various cataract conditions including sub-capsular, capsular, mature, cortical and nuclear. Lenses are interchangeable and the eye model is realistically colored and textured.
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Face Fixation Sticks 3-Pack
Face Fixation Sticks 3-Pack
Prices are available in CAD and USD. Use toggles at top of page to change. Face Fixation Sticks provide a series of detailed accommodation-stimulation targets for the young patient. The set consists of three (3) extremely durable plastic sticks with fixation faces smiling on one side and frowning on the other side. Single sticks can be used for performing various tests: unilateral (cover/uncover) test at near, alternating cover test at near, pursuit testing, near point of convergence (NPC), motilities (ductions and versions), vergence facility at near, fixation stability at near in diagnostic positions of gaze, amplitude of accommodation, and accommodative facility. Dual sticks with different opt types exposed to the patient can be used for saccade testing.
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Fixation Sticks
Fixation Sticks
Prices are available in CAD and USD. Use toggles at top of page to change. For detailed accommodation stimulating targets. For use alone or together. Precisely calibrated. For saccade testing. Very durable printing.
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Horizontal Prism Bar
Horizontal Prism Bar
Prices are available in CAD and USD. Use toggles at top of page to change. Sizes - .5-1-1.5-2-3-4-5-6-8-10. Our prism bars are made of extremely high quality plastic, which are optically clear with an index of refraction of 1.49 and a light transmission value of 92%. The manufacturing process greatly reduces optical strain, producing prisms that virtually eliminate clinical birefringent effects.
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Magnetic Farnsworth 100 Hue Kit
Magnetic Farnsworth 100 Hue Kit
Prices are available in CAD and USD. Use toggles at top of page to change. The discs in the magnetic version are encapsulated in a sealed clear plastic box. The patient selects the discs using a magnetic pen to move them into a scoring area. When complete, scoring is easily accomplished by reading the scores through the bottom of the box. Tip the box and shake the discs into the selection area for the next patient! Color testing becomes a game so that adults and children as young as 4 years old are much more engaged!
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Magnetic Farnsworth D15 Kit
Magnetic Farnsworth D15 Kit
Prices are available in CAD and USD. Use toggles at top of page to change. The discs in the magnetic version are encapsulated in a sealed clear plastic box. The patient selects the discs using a magnetic pen to move them into a scoring area. When complete, scoring is easily accomplished by reading the scores through the bottom of the box. Tip the box and shake the discs into the selection area for the next patient! Color testing becomes a game so that adults and children as young as 4 years old are much more engaged!
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Pediatric Fixation Sticks
Pediatric Fixation Sticks
Prices are available in CAD and USD. Use toggles at top of page to change. Pediatric fixation sticks provide a series of detailed accomodation-stimulation targets for the young patient. The targets are calibrated for near. Included are (as examples) a clown face, a dog, a beach ball, etc. Each target is in brilliant color for patient ease.The set consists of three (3) extremely durable plastic sticks with both sides utilized for targets. Single sticks can be used for performing various tests: unilateral (cover/uncover) test at near, alternating cover test at near, pursuit testing, near point of convergence (NPC), motilities (ductions and versions), vergence facility at near, fixation stability at near in diagnostic positions of gaze, amplitude of accomodation, and accomodative facility. Dual sticks with different optotypes exposed to the patient can be used for saccade testing.
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Prism Blocks
Prism Blocks
Prices are available in CAD and USD. Use toggles at top of page to change. All prisms are manufactured following our proprietary Clear Prism® Technology Protocol. Single universal, acrylic. Height: 37 mm. The dioptric power of each prism block has been laser engraved. Superior surface finish! To select more than one option, click on Add To Cart after each selection.
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Red/Blue/Green Glasses
Red/Blue/Green Glasses
Prices are available in CAD and USD. Use toggles at top of page to change. Reversible Red/Green or Red/Blue Glasses (ophthalmic quality frame). One size fits all. Ideal for any age. Can be worn over current glasses. Lenses easily reversed. To select more than one option, click on Add To Cart after each selection.
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Spielmann Occluder
Spielmann Occluder
Prices are available in CAD and USD. Use toggles at top of page to change. This occluder uses a lightly frosted, scratch resistant lens that degrades the acuity of the non-tested eye while not inducing suppression effects. The reading eye is thus tested with an absolute minimum of interference from the fellow eye. The examiner is also able to see the non-tested eye through the frosting. This is important to see if the patient giving acuity results is “squinting” the fellow eye under the paddle. Likewise cover testing is made more reliable and informative because the examiner can see the movement of the covered as well as the un-covered eye.
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Stick Prism
Stick Prism
Prices are available in CAD and USD. Use toggles at top of page to change. These prisms are mounted on a stick. Prisms are 37mm square. To select more than one option, click on Add To Cart after each selection.
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Vergence Facility Prism
Vergence Facility Prism
Prices are available in CAD and USD. Use toggles at top of page to change. Vergence Facility testing has been shown to be one of the most important methods of detecting patients with binocular vision disorders and symptoms. Diagnosis of non-strabismus binocular vision abnormalities can be improved through the use of vergence facility testing at near. The test is performed at 40 cm as the patient views a vertical 20/30 target or similar. Twelve diopter base out (BO)and three diopter base in (BI) prism is alternately placed before one eye; the patient is asked to report when the target becomes single and clear. This prism change is repeated for one minute and the clinician records the number of cycles performed during testing. Presence of suppression is indicated by a perceived lateral movement of a single target moving left or right of center, or no observed eye movement. For testing at near, the recommended failure criteria is 15 cycles per minute which is easily recalled (sum of BI and BO demands). Recent research has shown this criteria valid for pediatric, adult and presbyopic populations. Vergence facility testing allows the clinician to quickly identify patients with binocular vision problems in a primary care examination. The procedure requires less than 2 minutes of chair time, inexpensive equipment and minimal patient cooperation. Vergence facility has a sensitivity of 0.80 (correctly identifying binocular vision problems) and a specificity of 0.65 (correctly identifying normal binocular vision) and therefore maybe used as screening a test for binocular vision problems. Vergence facility testing is easy to learn and can be administered by a technician.
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Vergence Facility Stick
Vergence Facility Stick
Prices are available in CAD and USD. Use toggles at top of page to change. Vergence Facility Stick tests for binocular vision disorders and symptoms. Highly portable, easy to use with minimal difficulty for the patient.
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Vertical Prism Bar
Vertical Prism Bar
Prices are available in CAD and USD. Use toggles at top of page to change. Sizes - 1-2-3-4-5-6-8-10-12-14-16- 18-20-25-30. Our prism bars are made of extremely high quality plastic, which are optically clear with an index of refraction of 1.49 and a light transmission value of 92%. The manufacturing process greatly reduces optical strain, producing prisms that virtually eliminate clinical birefringent effects.
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Worth Four Dot Test
Worth Four Dot Test
Prices are available in CAD and USD. Use toggles at top of page to change. The Worth Four Dot Test helps evaluate color perception by stimulating the red, green and blue cone receptors in the retina. The test set consists of a high-quality, chrome flashlight with a pair of universal spectacles together with complete instructions. The flashlights in the test sets require 2 D-cell batteries, which are not included.
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