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- Eye (21834 bytes)
83: ...away from the eye. Water in the eye can alter the refractive properties of the eye and blur vision. It can als...
144: ...]] — also known as nearsightedness. It is a refractive error in which the image focuses in front of the ... - Glass (26176 bytes)
32: ... index. [[Thorium]] oxide gives glass a very high refractive index, and is used in producing high-quality lens... - Chemistry (12553 bytes)
66: .... Physical properties, such as [[density]] and [[refractive index]] tend to fall within values characteristic... - Isaac Newton (23339 bytes)
36: ...mirror. (Only later, as glasses with a variety of refractive properties became available, did achromatic lense... - Sodalite (4894 bytes)
29: | [[Refractive index]]|| 1.48 - isotropic (sodium light) - Cornea (4779 bytes)
25: ...uce the need for glasses or otherwise improve the refractive state of the eye. In the techniques used today, p...
35: ...uce the need for glasses or otherwise improve the refractive state of the eye. In this technique, The cornea ... - Graphite (4209 bytes)
29: | [[Refractive index]]|| Opaque - Germanium (8776 bytes)
197: ...emely sensitive infrared detectors. Its oxide's [[refractive index|index of refraction]] and dispersion proper... - Helium (36603 bytes)
117: ... distinguish solid from liquid helium since the [[refractive index]] of the two phases are nearly the same. Th... - Lanthanum (10184 bytes)
110: ...e]] [[Lens (optics)|lenses]], because of the high refractive index and low dispersion of rare-earth glasses. - Strontium (11493 bytes)
181: *[[Strontium titanate]] has an extremely high [[refractive index]] and an [[optical dispersion]] greater tha... - Tantalum (11817 bytes)
178: ...es. Tantalum oxide is used to make special high [[refractive index]] [[glass]] for [[camera]] lenses. The meta... - Thallium (12570 bytes)
103: ...sed to manufacture [[glass]]es that have a high [[refractive index|index of refraction]].
109: ...are durable, insoluble in water and have unique [[refractive index]]es. - Thorium (11307 bytes)
164: ...added to [[glass]] helps create glasses of a high refractive index and with low dispersion. Consequently, they... - Titanium (20884 bytes)
168: ...ronments. Pure titanium dioxide has a very high [[refractive index|index of refraction]] and an [[optical disp... - Wavelength (2857 bytes)
25: ... wavelength is reduced by a factor equal to the [[refractive index]] ''n'' of the medium but the frequency of ... - Pre-experimental science (6447 bytes)
19: ...s from one material to another with a different [[Refractive index|index of refraction]], such as from air to ... - Tetrapod (26290 bytes)
106: ...nge as well. This change came about because the [[refractive index]] of [[light]] differs between air and wate... - Gemstone (7411 bytes)
9: Gems have a certain [[refractive index]], a certain [[dispersion (optics)|dispersi...
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