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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. Esophoria - Wikipedia

    en.wikipedia.org/wiki/Esophoria

    Esophoria is an eye condition involving inward deviation of the eye, usually due to extra-ocular muscle imbalance. It is a type of heterophoria. Cause. Causes include: Refractive errors; Divergence insufficiency; Convergence excess; this can be due to nerve, muscle, congenital or mechanical anomalies.

  4. Prism adaptation - Wikipedia

    en.wikipedia.org/wiki/Prism_Adaptation

    Prism adaptation. Prism adaptation is a sensory-motor adaptation that occurs after the visual field has been artificially shifted laterally or vertically. It was first introduced by Hermann von Helmholtz in late 19th-century Germany as supportive evidence for his perceptual learning theory (Helmholtz, 1909/1962). [1]

  5. Strabismus - Wikipedia

    en.wikipedia.org/wiki/Strabismus

    A Cochrane review to examine different types of diagnosis test found only one study. This study used a photoscreener which was found to have high specificity (accurate in identifying those without the condition) but low sensitivity (inaccurate in identifying those with the condition). Several classifications are made when diagnosing strabismus.

  6. Esotropia - Wikipedia

    en.wikipedia.org/wiki/Esotropia

    Treatment options for esotropia include glasses to correct refractive errors (see accommodative esotropia below), the use of prisms, orthoptic exercises, or eye muscle surgery. The term is from Greek eso meaning "inward" and trope meaning "a turning".

  7. Diplopia - Wikipedia

    en.wikipedia.org/wiki/Diplopia

    Treatment options include eye exercises, wearing an eye patch on alternative eyes, prism correction, and in more extreme situations, surgery or botulinum toxin. If your provider diagnoses swelling or inflammation of, or around the nerve, medicines called corticosteroids may be used.

  8. Worth 4 dot test - Wikipedia

    en.wikipedia.org/wiki/Worth_4_dot_test

    assess degree of binocular vision. The Worth Four Light Test, also known as the Worth's four dot test or W4LT, is a clinical test mainly used for assessing a patient's degree of binocular vision and binocular single vision. Binocular vision involves an image being projected by each eye simultaneously into an area in space and being fused into a ...

  9. Breaking Down '9-1-1' Season 7 Episode 9: Did [Spoiler ... - AOL

    www.aol.com/entertainment/breaking-down-9-1-1...

    Episode 9 catches back up with Eddie after meeting Kim, a storeowner who looks exactly like his late wife. The twosome have been spending time together but have yet to take things to the next level.

  10. Perturbation theory (quantum mechanics) - Wikipedia

    en.wikipedia.org/wiki/Perturbation_theory...

    In quantum mechanics, perturbation theory is a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one. The idea is to start with a simple system for which a mathematical solution is known, and add an additional "perturbing" Hamiltonian representing a weak ...

  11. The Pros and Cons of Hitch Hiking - Wikipedia

    en.wikipedia.org/wiki/The_Pros_and_Cons_of_Hitch...

    Professional ratings. The Pros and Cons of Hitch Hiking is the first solo studio album by Roger Waters, bassist/songwriter and co-founder of English rock band Pink Floyd; it was released in 1984. The album was certified Gold by the Recording Industry Association of America in 1995.