hard contact lens


hard contact lens
жёсткая контактная линза

Англо-русский офтальмологический словарь. 2010.

Смотреть что такое "hard contact lens" в других словарях:

  • contact lens — one of a pair of small plastic disks that are held in place over the cornea by surface tension and correct vision defects inconspicuously. Cf. hard lens, intraocular lens, soft lens. [1885 90] * * * Thin artificial lens worn on the surface of the …   Universalium

  • contact lens hydrophobic — hard contact l …   Medical dictionary

  • contact lens rigid — hard contact l …   Medical dictionary

  • Contact lens — Contacts redirects here. For the software application, see Address book. A pair of contact lenses, positioned with the concave side facing upward …   Wikipedia

  • contact lens hard — a contact lens that maintains its shape without support and absorbs little or no water; it may be gas permeable or non–gas permeable. Called also hydrophobic contact l. and rigid contact l …   Medical dictionary

  • contact lens — (also lens) noun ADJECTIVE ▪ gas permeable, hard, soft ▪ daily wear, disposable ▪ extended wear ▪ tinted …   Collocations dictionary

  • contact lens non–gas permeable hard — a contact lens, generally formed of polymethyl methacrylate, that transmits little to no oxygen and carbon dioxide to the cornea. Called also PMMA contact l …   Medical dictionary

  • contact lens PMMA — a contact lens made of polymethyl methacrylate; see non–gas permeable hard contact l …   Medical dictionary

  • hard lens — hard′ lens′ n. oph a contact lens of rigid plastic or silicon, exerting light pressure on the cornea of the eye Compare soft lens …   From formal English to slang

  • Lens clock — A lens clock is a mechanical dial caliper that is used to measure dioptric power of a lens. It is a specialized version of a spherometer. A lens clock measures the curvature of a surface, but gives the result in diopters, assuming the lens is… …   Wikipedia

  • hard lens — a contact lens of rigid plastic or silicon, exerting light pressure on the cornea of the eye, used for correcting various vision problems including astigmatism. Cf. soft lens. * * * hard lens, a contact lens made firm plastic that adheres to the… …   Useful english dictionary


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