Glasses
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  Glasses



Glasses

   A pair of ophthalmic lenses in a frame or mounting which is supported by the nose and ears. The purpose is to aid or improve vision. It does not include goggles or nonprescription sun glasses for which EYE PROTECTIVE DEVICES is available.

RELATED TERMS
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Vision
The sense of sight.

Goggles
Personal devices for protection of the eyes from impact, flying objects, glare, liquids, or injurious radiation.

Glasses
A pair of ophthalmic lenses in a frame or mounting which is supported by the nose and ears. The purpose is to aid or improve vision. It does not include goggles or nonprescription sun glasses for which EYE PROTECTIVE DEVICES is available.

DEVICES
Expendable and nonexpendable equipment, supplies, apparatus, and instruments that are used in diagnostic, surgical, therapeutic, scientific, and experimental procedures.



SIMILAR TERMS
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Glascow coma scale
The system used to evaluate and classify, unconsious patients. The scale ranges to 15, which is normal. It is often referred to as "GCS" by healthcare workers.

Glasgow Coma Scale
A scale that assesses the response to stimuli in patients with craniocerebral injuries. The parameters are eye opening, motor reponse, and verbal response.

Glasgow doctors
All doctors near Glasgow, Great Britain. Doctors who can assist a patient in Glasgow.

Glasgow Outcome Scale
A scale that assesses the outcome of serious craniocerebral injuries, based on the level of regained social funtioning.

Glass
Hard, amorphous, brittle, inorganic, usually transparent, polymerous silicate of basic oxides, usually potassium or sodium. It is used in the form of hard sheets, vessels, tubing, fibers, ceramics, beads, etc.

Glass Ionomer Cement
A polymer obtained by reacting polyacrylic acid with a special anion-leachable glass (alumino-silicate). The resulting cement is more durable and tougher than others in that the materials comprising the polymer backbone do not leach out.

Glass Ionomer Cements
A polymer obtained by reacting polyacrylic acid with a special anion-leachable glass (alumino-silicate). The resulting cement is more durable and tougher than others in that the materials comprising the polymer backbone do not leach out.

Glass Polyalkenoate Cements
A polymer obtained by reacting polyacrylic acid with a special anion-leachable glass (alumino-silicate). The resulting cement is more durable and tougher than others in that the materials comprising the polymer backbone do not leach out.

Glass-Ionomer Cement
A polymer obtained by reacting polyacrylic acid with a special anion-leachable glass (alumino-silicate). The resulting cement is more durable and tougher than others in that the materials comprising the polymer backbone do not leach out.

Glasse, Nonprescription Sun
Personal devices for protection of the eyes from impact, flying objects, glare, liquids, or injurious radiation.

Glasses, Nonprescription Sun
Personal devices for protection of the eyes from impact, flying objects, glare, liquids, or injurious radiation.

Glasses, Prescription Sun
A pair of ophthalmic lenses in a frame or mounting which is supported by the nose and ears. The purpose is to aid or improve vision. It does not include goggles or nonprescription sun glasses for which EYE PROTECTIVE DEVICES is available.

Glasses, Safety
Personal devices for protection of the eyes from impact, flying objects, glare, liquids, or injurious radiation.

GLAST
A family of potassium-dependent acidic amino acid transporters that demonstrate a high affinity for GLUTAMIC ACID and ASPARTATIC ACID. Several variants of this system are found in neuronal tissue.

GLAST Protein
A family of potassium-dependent acidic amino acid transporters that demonstrate a high affinity for GLUTAMIC ACID and ASPARTATIC ACID. Several variants of this system are found in neuronal tissue.

GLAST-1
A high affinity glutamate/aspartate transporter found in astrocytes, heart, skeletal muscle and placenta. Its action can be coupled to the co-transport of potassium, sodium or hydrogen ions.



PREVIOUS AND NEXT TERMS
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Glands, Tarsal
The sebaceous glands situated on the inner surface of the eyelids between the tarsal plates and CONJUNCTIVA.

Glands, Sebaceous
Small, sacculated organs found in the corium of the dermis. Each gland has a single duct that emerges from a cluster of oval alveoli. Each alveolus consists of a transparent basement membrane enclosing epithelial cells. The ducts from most sebaceous glands open into hair follicles, but some open on the general surface of the skin. Sebaceous glands secrete SEBUM.

Glands, Sweat
Sweat-producing structures that are embedded in the dermis. Each gland consists of a single tube, a coiled body, and a superficial duct.

Glands, Submandibular
One of two salivary glands in the neck, located in the space bound by the two bellies of the digastric muscle and the angle of the mandible. It discharges through the submandibular duct. The secretory units are predominantly serous although a few mucous alveoli, some with serous demilunes, occur. (Stedman, 25th ed)

Glasse, Nonprescription Sun
Personal devices for protection of the eyes from impact, flying objects, glare, liquids, or injurious radiation.

Glasses

Glass-Ionomer Cement
A polymer obtained by reacting polyacrylic acid with a special anion-leachable glass (alumino-silicate). The resulting cement is more durable and tougher than others in that the materials comprising the polymer backbone do not leach out.

Glass Ionomer Cements
A polymer obtained by reacting polyacrylic acid with a special anion-leachable glass (alumino-silicate). The resulting cement is more durable and tougher than others in that the materials comprising the polymer backbone do not leach out.

Glass Ionomer Cement
A polymer obtained by reacting polyacrylic acid with a special anion-leachable glass (alumino-silicate). The resulting cement is more durable and tougher than others in that the materials comprising the polymer backbone do not leach out.

Glares
Relatively bright light, or the dazzling sensation of relatively bright light, which produces unpleasantness or discomfort, or which interferes with optimal vision. (Cline et al., Dictionary of Visual Science, 4th ed)

Glaphenine
An anthranilic acid derivative with analgesic properties used for the relief of all types of pain.

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