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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.
Strabismus. Strabismus is a vision disorder in which the eyes do not properly align with each other when looking at an object. [2] The eye that is pointed at an object can alternate. [3] The condition may be present occasionally or constantly. [3]
Ophthalmology. 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.
Eye strain. Eye strain, also known as asthenopia (from Greek a-sthen-opia, Ancient Greek: ἀσθενωπία, transl. weak-eye-condition ), is a common eye condition that manifests through non-specific symptoms such as fatigue, pain in or around the eyes, blurred vision, headache, and occasional double vision. [1] Symptoms often occur after ...
Amblyopia. Anisometropia is a condition in which a person's eyes have substantially differing refractive power. [1] Generally, a difference in power of one diopter (1D) is the threshold for diagnosis of the condition . [2] [3] Patients may have up to 3D of anisometropia before the condition becomes clinically significant due to headache, eye ...
philosophy. A broad field of inquiry concerning knowledge, in which the definition of knowledge itself is one of the subjects investigated. Philosophy is the pursuit of wisdom, spanning the nature of the Universe and human nature (of the mind and the body) as well as the relationships between these and between people.
thorn-like projection, typically a single-celled cuticular growth without tormogen (socket) or sensory cells. [1] acaricide. A chemical employed to kill and control mites and ticks. acariphagous. feeding on mites (also refers to parasitoids of mites). accessory gland. Any secondary gland of the glandular system.
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Amblyopia, also called lazy eye, is a disorder of sight in which the brain fails to fully process input from one eye and over time favors the other eye. [1] It results in decreased vision in an eye that typically appears normal in other aspects. [1] Amblyopia is the most common cause of decreased vision in a single eye among children and ...
Literature. This glossary of literary terms is a list of definitions of terms and concepts used in the discussion, classification, analysis, and criticism of all types of literature, such as poetry, novels, and picture books, as well as of grammar, syntax, and language techniques. For a more complete glossary of terms relating to poetry in ...