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Vitrectomy is a surgery to remove some or all of the vitreous humor from the eye.. Anterior vitrectomy entails removing small portions of the vitreous humor from the front structures of the eye—often because these are tangled in an intraocular lens or other structures.
oculus sinister (left eye) LHyperT or LHT: Left hypertropia LHypoT: Left hypotropia LO: Lenticular opacity L/R FD: L/R fixation disparity L/R: L hyperphoria Left ET: Left esotropia LVA: Low vision aid MDU: Mallett distance unit MNU: Mallett near unit M.Wing: Maddox Wing: MR: Maddox rod NB: NAD: No abnormality detected (is frequently used but is ...
in unconscious patient (single cuff is sufficient); used in permanent tracheostomy (with two cuffs); has a balloon (cuff) that is inflated to occlude the airway around the tube to prevent aspiration of fluids into the lungs •Jackson's: metal double tube and a pilot Retractor's (single or double hook) to retract tissues Tracheal hooks (blunt ...
Oculogyric crisis (OGC) is a rare sudden, paroxysmal, dystonic reaction that may manifest in response to specific drugs, particularly neuroleptics, or medical conditions, such as movement disorders.
Trismus is a condition of restricted opening of the mouth. [1] [2] The term was initially used in the setting of tetanus. [2] Trismus may be caused by spasm of the muscles of mastication or a variety of other causes. [3] Temporary trismus occurs much more frequently than permanent trismus. [4]
Potain's aspirator. A medical aspirator is a suction machine used to remove mucus, blood, and other bodily fluids from a patient.They can be used during surgical procedures but an operating theater is generally equipped with a central system of vacuum tubes. [1]
Suppression of an eye is a subconscious adaptation by a person's brain to eliminate the symptoms of disorders of binocular vision such as strabismus, convergence insufficiency and aniseikonia. The brain can eliminate double vision by ignoring all or part of the image of one of the eyes.
Individuals suffering from complete horizontal gaze palsy cannot move either eye past the midline in a single direction. The eyes of a patient with pontine lesions involving the sixth nerve nucleus or PPRF may stray from the lesion's side. Patients with a left pontine lesion will be unable to look to their left and may have their eyes deviated ...