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Esotropia is a form of strabismus in which one or both eyes turn inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [1] It is the opposite of exotropia and usually involves more severe axis deviation than esophoria. Esotropia is sometimes erroneously called ...
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]
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.
Palep herself was quite concerned with the dosage of the light therapy provided by the masks, as not every patient may require the same amount and duration of the treatment. "The potential dangers ...
Hutchinson's mask. Hutchinson's mask is a patient's sensation that the face is covered with a mask or a gauzy network like cobwebs. This medical sign is associated with tabes dorsalis [1] affecting the trigeminal nerve (fifth cranial nerve CN V ). It is named in honour of the English physician Sir Jonathan Hutchinson (1828–1913).
Just a single face mask, according to a study in Environmental Advances, can release as many as 173,000 microfibers per day into the seas. And a recent National Geographic report cites a far ...