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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]
Incomitant strabismus cannot be fully corrected by prism glasses, because the eyes would require different degrees of prismatic correction dependent on the direction of the gaze. Incomitant strabismus of the eso- or exo-type are classified as "alphabet patterns": they are denoted as A- or V- or more rarely λ -, Y- or X-pattern depending on the ...
Fixation disparity. Fixation disparity is a tendency of the eyes to drift in the direction of the heterophoria. While the heterophoria refers to a fusion-free vergence state, the fixation disparity refers to a small misalignment of the visual axes when both eyes are open in an observer with normal fusion and binocular vision. [1]
A national pastime. On a recent Sunday morning here in South Minneapolis, a decades-long father-son tradition continued at the Riverview Theater, a single-screen cinema nestled among century-old ...
Ophthalmology. In ophthalmology, horror fusionis is a condition in which the eyes have an unsteady deviation, with the extraocular muscles performing spasm-like movements that continuously shift the eyes away from the position in which they would be directed to the same point in space, giving rise to diplopia. Even when the double vision images ...
When it’s time for the company’s annual “Shark Week” to roll around, the duo will watch the 2018 film “The Meg,” about a monster shark. The show “gives viewers something more to sink ...
Language. Telugu. Budget. ₹ 20 crore. Box office. ₹40 crore [2] Red is a 2021 Indian Telugu -language crime thriller film [3] directed by Kishore Tirumala and produced by Sri Sravanthi Movies. It stars Ram Pothineni in a double role with Nivetha Pethuraj, Malvika Sharma and Amritha Aiyer.
Bette Nash, holder of the Guinness World Record for longest-serving flight attendant, has died at the age of 88, according to statements from American Airlines and the Association of Professional ...