Optego Prisms
Optego Prisms

Optego Prisms

Compare to 3M Press-on Prisms/Fresnel Prisms Optego Prisms attach very easily to eye glasses and are made from a silicone-like material.  Manufactured in the USA with our Clear Prism® Technology Protocol.  Use the whole prism:  30% more surface area than other competing products. Other benefits are:
  • Available in diopters 1 through 35, including 17.5
  • Clearer Image
  • Superior Optical Qualities, no yellowing
  • Very flexible, no stiffening
  • Thin Prisms at all Diopter Values
  • Base and Diopter strength clearly marked on each prims
  • Size:  2.9″ x 2.6″ (75 x 66mm), no perforations, each prism fully useable
  • Easy to cut, multiple uses for each prisms
  • Comes in protective, stackable plastic containers
  • Competitive pricing

How to Buy

Medical Professionals:  Check our listing of distributors. Patients:  Contact us at 1-877-678-3464 or orders@optego.com.  A prescription from your eye doctor is required.
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Prism Block Set, 16 Prisms, Polymer Case
Prism Block Set, 16 Prisms, Polymer Case
A set of 16 acrylic prisms in a compact polymer case with carrying handle. The box opens flat and fits in a drawer. All prisms are made using Clear Prism® Technology. Dimensions: 8-7/8" x 8" x 2"
not rated $219.95 Add to cart
PrismBlockSet
Prism Block Set, 22 Prisms, Polymer Case
A set of 22 acrylic prisms in a compact polymer case with carrying handle. The box opens flat and fits in a drawer. All prisms are made using Clear Prism® Technology. Dimensions: 8-7/8" x 8" x 2"
not rated $279.95 Add to cart
MagneticPrismBlock
Magnetic Prism Block Set, 22 Prisms, Polymer Case
A set of 22 acrylic prisms in a polymer case with carrying handle. Each block prism contains a small magnet and "snaps" on to a magnetic handle. 4" (10 cm) long. The dioptric power of each prism block has been laser engraved. All prisms are made using Clear Prism® Technology.  
not rated $360.00 Add to cart
Prism Blocks
Prism Blocks
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.
not rated $12.30 Select options
Stick Prism
Stick Prism
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.
not rated $16.00 Select options
Vergence Facility Prism
Vergence Facility Prism
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.
not rated $18.50 Add to cart
Vergence Facility Stick
Vergence Facility Stick
Vergence Facility Stick tests for binocular vision disorders and symptoms. Highly portable, easy to use with minimal difficulty for the patient.
not rated $20.00 Add to cart
Vertical Prism Bar
Vertical Prism Bar
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.
not rated $140.70 Select options
Horizontal Prism Bar
Horizontal Prism Bar
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.
not rated $127.30 Add to cart