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esthesiometer

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esthesiometer

 [es-the″ze-om´ĕ-ter]
an instrument for measuring tactile sensibility; tactometer.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

es·the·si·om·e·ter

(es-thē'zē-om'ĕ-tĕr),
An instrument for determining the state of tactile and other forms of sensibility.
Synonym(s): tactometer
[esthesio- + G. metron, measure]
Farlex Partner Medical Dictionary © Farlex 2012

esthesiometer

(ĕs-thē′zē-ŏm′ĭ-tər)
n.
An instrument used to measure tactile sensitivity.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

es·the·si·om·e·ter

(es-thē'zē-om'ĕ-tĕr)
An instrument for determining the state of tactile and other forms of sensibility.
Synonym(s): tactometer, aesthesiometer.
[esthesio- + G. metron, measure]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

aesthesiometer 

Instrument for the measurement of sensitivity, especially tactile. The cornea and eyelid margins are the ocular structures measured. There are many types of aesthesiometers. The most common is that of Cochet-Bonnet (Fig. A7). It consists of a nylon monofilament of constant diameter which, depending upon its length, can exert more or less pressure. The length at which the subject responds to represents the corneal touch threshold. Others are non-contact and use a pulse of pressurised air or gas to stimulate the cornea. Note: also spelt esthesiometer. See corneal fragility; corneal hyperaesthesia; corneal sensitivity; corneal touch threshold.
Fig. A7 Cochet-Bonnet aesthesiometerenlarge picture
Fig. A7  Cochet-Bonnet aesthesiometer
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
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References in periodicals archive
Regardless of the type of esthesiometer used to measure ocular surface sensitivity, it is key to understand the limitations of the instrument, the stimulus characteristics, normative values, and the repeatabilityofmeasurements made.
As stated previously, ocular surface sensitivity has been traditionally measured using the Cochet-Bonnet esthesiometer, which mechanically stimulates the ocular surface with a nylon filament [19].
Another esthesiometer, which does not use the nylon filament technique, is the Draeger esthesiometer.
Corneal sensitivity in keratoconus: a review of the literature
Sensitivity has been tested in the lower limbs (calcaneous regions), and a reduction of tactile sensitivity was noticed using the esthesiometer 300 g.
Leprosy associated with psoriasis
Corneal sensation was measured using a Cochet-Bonnet filament esthesiometer in unanaesthetized rats (Luneau Ophtalmologie, France) [18].
Characterization of diabetic neuropathy in the Zucker diabetic Sprague-Dawley rat: a new animal model for type 2 diabetes
Central corneal touch threshold (CCT) was assessed by a blinded examiner using a Cochet-Bonett[R] esthesiometer (Lunaeu, France).
Topical 1% nalbuphine on corneal sensivity and epitheilization after experimental lamellar keratectomy in rabbits/Nalbufina 1% topica sobre a sensibilidade e a epitelizacao corneal apos ceratectomia lamelar experimental
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