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2. Prism correction - Wikipedia

   en.wikipedia.org/wiki/Prism_correction

   Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]

3. Prism cover test - Wikipedia

   en.wikipedia.org/wiki/Prism_Cover_Test

   The prism cover test ( PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. [1] It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]

4. Four prism dioptre reflex test - Wikipedia

   en.wikipedia.org/wiki/Four_prism_dioptre_reflex_test

   Purpose. assess alignment of both eyes. The Four Prism Dioptre Reflex Test (also known as the 4 PRT, or 4 Prism Dioptre Base-out Test) is an objective, non-dissociative test used to prove the alignment of both eyes (i.e. the presence of binocular single vision) by assessing motor fusion. [1] Through the use of a 4 dioptre base out prism ...

5. Slit lamp - Wikipedia

   en.wikipedia.org/wiki/Slit_lamp

   Eye examination with the aid of a slit lamp. Side view of a slit lamp machine. Cataract in human eye: magnified view seen on examination with the slit lamp. In ophthalmology and optometry, a slit lamp is an instrument consisting of a high-intensity light source that can be focused to shine a thin sheet of light into the eye.

6. 10 Things To Know Before Using Costco Optical - AOL

   www.aol.com/10-things-know-using-costco...

   Costco doesn't list exam costs on its website, but most online reports note that an eye exam there costs around $75 to $80. VisionCenter.org puts the cost closer to $70 (and around $150 for a ...

7. AI is upending eye exams for patients and providers ... - AOL

   www.aol.com/finance/ai-upending-eye-exams...

   The eye exams show that the AI’s ability to provide immediate results, as well as the cost savings and convenience of not needing to make an extra appointment, can have big benefits for both ...