Contact Definition–noun | 1. | the act or state of touching; a touching or meeting, as of two things or people. |
| 2. | immediate proximity or association. |
| 3. | an acquaintance, colleague, or relative through whom a person can gain access to information, favors, influential people, and the like. |
| 4. | Electricity. a junction of electric conductors, usually metal, that controls current flow, often completing or interrupting a circuit. |
| 5. | Geology. the interface, generally a planar surface, between strata that differ in lithology or age. |
| 6. | Medicine/Medical. a person who has lately been exposed to an infected person. |
–verb (used with object) | 9. | to put or bring into contact. |
| 10. | to communicate with: We'll contact you by mail or telephone. |
–verb (used without object) | 11. | to enter into or be in contact. |
–adjective | 12. | involving or produced by touching or proximity: contact allergy. |
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From Dictionary
Lens Definition–noun | 1. | a piece of transparent substance, usually glass, having two opposite surfaces either both curved or one curved and one plane, used in an optical device in changing the convergence of light rays, as for magnification, or in correcting defects of vision. |
| 2. | a combination of such pieces. |
| 3. | some analogous device, as for affecting sound waves, electromagnetic radiation, or streams of electrons. |
| 5. | Geology. a body of rock or ore that is thick in the middle and thinner toward the edges, similar in shape to a biconvex lens. |
–verb (used with object) | 6. | Movies. to film (a motion pictu
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re). |
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From Dictionary
Related topics from Britannicacontact lens
thin, artificial lens worn on the surface of the eye to correct refractive defects of vision. The first contact lens, made of glass, was developed by Adolf Fick in 1887 to correct irregular ...
lens
in optics, piece of glass or other transparent substance that is used to form an image of an object by focusing rays of light from the object. A lens is a piece of transparent material, usually ...
lens dislocation
abnormal position of the crystalline lens of the eye. The dislocation, which may be congenital, developmental, or acquired (typically via trauma), is usually caused by abnormalities of or injury to a ...
photoengraving
Perhaps the most significant recent advance in the halftone process has been the use of contact screens-films bearing a gray or magenta-dyed image of the light-distribution pattern behind a ...
eye disease
The most widely used optical aids are eyeglasses (spectacles), and the technical design of eyeglass lenses has advanced considerably. A simple biconcave or biconvex lens causes considerable vision ...
eyeglasses
lenses set in frames for wearing in front of the eyes to aid vision or to correct such defects of vision as myopia, hyperopia, and astigmatism. In 1268 Roger Bacon made the earliest recorded comment ...
light
Light rays change direction when they reflect off a surface, move from one transparent medium into another, or travel through a medium whose composition is continuously changing. The law of ...
eye disease
An ophthalmological examination includes a thorough history, with a particular focus on a patient's symptoms. The ophthalmologist physically examines the eyes with special devices and does various ...
eye, human
So far, the relation of the movements of the eyes to the requirements of the visual apparatus and their control have been touched upon. To examine the character of the movements in some detail ...
diopter
in optics, unit of magnifying power of a lens or lens system. Because the power of a lens is proportional to unity (one) divided by the focal length (see lens), the power of a lens in diopters is ...
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Related topics from Ask NewsACOEM Offers Guidance on Contact Lenses in Industrial Environments
Occupational Health & Safety - Found 3 hours ago
... use of contact lenses and personal protective equipment in an industrial environment. The guidelines contain recommendations for contact lens...
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Monthly Replacement Contact Lens Wearers Report a Decrease in ...
Court orders Ocular Insight to discontinue claims for Clear 58 ...
OSN Super Site - Found Sep. 22, 2008
Furthermore, the FDA does not perform the function of assessing whether a contact lens may be prescribed as a 'generic equivalent' lens.'
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Court: J&J, Ocular Insight settle over contact lens ad claims
Ophthalmology Times - Found Sep. 20, 2008
... the FDA does not perform the function of assessing whether a contact lens may be prescribed as a 'generic equivalent' lens.' On behalf of...
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JNJ says Court orders Ocular Insight to discontinue certain claims ...
Following Complaint by Johnson & Johnson Vision Care, Inc., Court ...
Eye-Correction Procedures
Win a Crystal Contact Lens Case
15 Minute Beauty Fanatic - Found Sep. 15, 2008
You can win this Swarovski Crystal Contact Lens Case with 646 hand-applied crystals!
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Links for 2008-09-13 [del.icio.us]
FunnyBusiness - Found Sep. 13, 2008
Eye on FDA: Johnson & Johnson Continues to Integrate Digital Strategies - Launches Popular Electronic Contact Lens Reminder Service Launches on
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Contact Lens Study Design and Analysis
Contact Lens Spectrum - Found Sep. 13, 2008
Ophthalmology and Vision Science, Contact Lens and Anterior Eye, Ophthalmic and Physiological Optics, Eye and Contact Lens (CLAO journal) and...
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