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Eyeglasses

Known as: spectacle, Glasses, eyeglass 
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… 
National Institutes of Health

Related topics

Related topics

6 relations
FRAME, SPECTACLEMicrobiologicalspectacle lensesstandards characteristics

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SPECTACLE, MAGNIFYING

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2008
Highly Cited
2008
Properties of GexAsySe1-x-y glasses for all-optical signal processing.
We present a systematic study of Ge(x)As(y)Se(1-x-y) bulk chalcogenide glasses to determine the best composition for fabricating… 
Highly Cited
2001
Highly Cited
2001
Low-temperature synthesis, structure, and bioactivity of gel-derived glasses in the binary CaO-SiO2 system.
Glasses in the binary system CaO-SiO2 for which the molar fraction of CaO is 0 < or = x < or = 0.50, were prepared by means of a… 
Highly Cited
1992
Highly Cited
1992
Upconversion properties, multiphonon relaxation, and local environment of rare-earth ions in fluorophosphate glasses.
The upconversion properties of ${\mathrm{Er}}^{3+}$ ions were studied for the fluorophosphate glasses (45-x)${\mathrm{AlF}}_{3… 
Highly Cited
1992
Highly Cited
1992
Cation microsegregation and ionic mobility in mixed alkali glasses
MUCH is known about short-range (<5Å) structural order in oxide glasses from experimental probes of local structure such as X-ray… 
Highly Cited
1991
Highly Cited
1991
Bone-bonding ability of P2O5-free CaO.SiO2 glasses.
An apatite- and wollastonite-containing glass-ceramic (A.W-GC) has been reported to form a tight bond with living bone through an… 
Review
1991
Review
1991
Ceramics and glasses
Provides exhaustive, yet practical information on processing, properties, testing and characterization, design, and applications… 
Highly Cited
1991
Highly Cited
1991
Visual and refractive results of multifocal intraocular lenses.
Highly Cited
1990
Highly Cited
1990
Dimensional changes of metallic glasses during bombardment with fast heavy ions.
Small strips of various metal-metalloid glasses and metal-metal glasses have been irradiated below 50 K with 360-MeV Xe ions… 
Highly Cited
1990
Highly Cited
1990
Probing organic glasses at low temperature with variable time scale optical dephasing measurements
Amorphous materials at low temperature have markedly different physical and thermal properties from crystals.' For example, the… 
Highly Cited
1942
Highly Cited
1942
The mask of sanity.
Psychotic disorders may be concealed behind outer manifestations that give little or no suggestion of anything so serious. The… 
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