topography

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topography

The contours of land—such as flat, rolling, or steep.

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True height (elevation) maps can only be created using a projection-based topography system; height maps generated from Placido-based topographers require approximations based on presumptions about corneal shape.
The triage room, once laden with tonometers, corneal topographers, visual field instruments, an autorefractor and an OCT, has been turned into a meeting room.
com/research/w99zfk/ophthalmology) has announced the addition of the "2014 Report on the International Ophthalmology Diagnostics and Surgical Devices (Optical Coherence Tomography, Echography, Corneal Topographers, Specular Microscopes, Cataract, Refractive, Glaucoma and Vitreoretinal Surgery) Market - Forecast to 2019" report to their offering.
Afterwards, Aridi received a delegation of the Syndicate of Topographers, headed by Antoine Mansour, and discussed with them domestic issues relevant to the syndicate.
Topographers recruited crews of temporary workers in the field as assistants; indeed, many twentieth-century mappers got their starts as assistant topographers.
Seeking to locate a route for a wagon road from the Union Pacific rail line in northwest Wyoming to Fort Ellis in Montana Territory, Jones left Fort Bridger, Wyoming, in June with a 2d Cavalry escort, four civilian topographers, and two civilian scientists.
The specialist contact lens services we offer, including Ortho-K contact lenses, dry eye assessment, lacrimal syringing and punctum plug fitting all require a high level of equipment, including topographers and slit lamp cameras.
The diagnostic and monitoring devices include optical coherence tomography (OCT) scanners, ophthalmic ultrasound imaging systems, fundus cameras, ophthalmoscopes, retinoscopes, wavefront aberrometers, corneal topographers, autorefractors, pachymeters, keratometers, specular microscopes, biometers, perimeters, tonometers, slit lamps, and other devices.
The Minister met today with Lebanese and Arab delegations comprised of Head of the Arab Topography Union, Chief of Lebanese Topographers Syndicate, Head of Mediterranean Topography Union, and Head of Francohphone Landscaping Union.
The latter could only be surveyed by military topographers and Navy hydrographers.
In addition to the regular devices of a HMMWV, the DTSS-L has some commercial-off-the-shelf (COTS) technology--such as printers, scanners, and a computer workstation--to help topographers process the geographic data.
Keywords: Contact lenses, Optical coherence tomographers, Fundus cameras,Slit lamps, Perimeters, Tonometers, Autorefractors and keratometers, Ophthalmic ultrasound systems, Binocular indirect ophthalmoscopes, Corneal topographers, Wavefront aberrometers, Soft contact lenses, Gas permeable contact lenses