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Diplopia. Diplopia. Other names. Double vision. One way a person might experience double vision. Specialty. Neurology, ophthalmology. Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other. [ 1] Also called double vision, it is a loss of visual focus ...
A speech sound disorder ( SSD) is a speech disorder affecting the ability to pronounce speech sounds, which includes speech articulation disorders and phonemic disorders, the latter referring to some sounds ( phonemes) not being produced or used correctly. The term "protracted phonological development" is sometimes preferred when describing ...
Speech disorders, impairments, or impediments, are a type of communication disorder in which normal speech is disrupted. [ 1] This can mean fluency disorders like stuttering, cluttering or lisps. Someone who is unable to speak due to a speech disorder is considered mute. [ 2] Speech skills are vital to social relationships and learning, and ...
A diphthong ( / ˈdɪfθɒŋ, ˈdɪp -/ DIF-thong, DIP-; [ 1] from Ancient Greek δίφθογγος (díphthongos) 'two sounds', from δίς (dís) 'twice' and φθόγγος (phthóngos) 'sound'), also known as a gliding vowel or a vowel glide, is a combination of two adjacent vowel sounds within the same syllable. [ 2] Technically, a ...
Presbycusis. Presbycusis (also spelled presbyacusis, from Greek πρέσβυς presbys "old" + ἄκουσις akousis "hearing" [ 1] ), or age-related hearing loss, is the cumulative effect of aging on hearing. It is a progressive and irreversible bilateral symmetrical age-related sensorineural hearing loss resulting from degeneration of the ...
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, diplopia is induced which is the driving ...
Help. : IPA/Mongolian. This is the for transcriptions of Mongolian on Wikipedia. It provides a set of symbols to represent the pronunciation of Mongolian in Wikipedia articles, and example words that illustrate the sounds that correspond to them. Integrity must be maintained between the key and the transcriptions that link here; do not change ...
For the distinction between [ ], / / and , see IPA § Brackets and transcription delimiters. Phonetic transcription (also known as phonetic script or phonetic notation) is the visual representation of speech sounds (or phones) by means of symbols. The most common type of phonetic transcription uses a phonetic alphabet, such as the International ...