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AN ANTERIOR SEGMENT diagnostic imaging platform based on high-speed swept-source optical coherence tomography (OCT) is still under development. However, the technology is being looked at with interest by cataract and [...]

Corneal size does matter. In fact, it can turn a simple soft contact lens fitting into a complex clinical puzzle. With increased corneal size, the sagittal depth does not match [...]

Corneal size does matter. In fact, it can turn a simple soft contact lens fitting into a complex clinical puzzle. With increased corneal size, the sagittal depth does not match [...]

CIRCULAR POLARIZATION is a simple and effective technique for corneal imaging that provides valuable clinical information and new insights, according to Julian D. Stevens, MD. 'Ophthalmologists are all familiar with [...]

Reviewed by Paul J. Dougherty, MD, and Jack T. Holladay, MD, MSEE, FACS Nidek has released new diagnostic software called the OPD-Station that lets clinicians use data from its OPD-Scan [...]

Professor Michael Doughty and Sven Jonuscheit discuss ascertaining whether a cornea is 'thin' or 'thick' as part of routine screening for and management of patients with open-angle glaucoma. CET module1805 [...]

In the first of a two-part series, Dan Rosser describes a systematic approach to the evaluation of the anterior segment and at each stage of the examination explains the clinical [...]

How accurate a picture can you get of the cornea? Here's what the literature says about two units. There's constantly new research into the applications and accuracy of advanced technology [...]

CORNEAL TOPOGRAPHERS Manufacturer Model/ List Price Paradigm Medical Dicon CT 200/ Industries, Inc. N/a 2355 S. 1070 West Salt Lake City, Utah 84119 1-800-742-0671 www.paradigm-medical.com Euclid Systems Corp. ET-800/ 2810 [...]

Unique ultra-low illumination reveals true pupil size and increases patient comfort. An optimized placido design provides increased peripheral coverage and surgical ablation zones. The [Atlas.sup.TM] Eclipse includes flexible software modules [...]

[PathFinder.sup.TM] Corneal Analysis is the latest innovation in corneal topography software from Humphrey(r). Using specific statistical indices comparisons to a normal database and exclusive shape and elevation data, the Pathfinder [...]

The Oculus Keratograph is an attractive, ergonomically designed system for corneal topography that is small and easy-to-use. An exclusive built-in real keratometer provides extremely high resolution with 22,000 measuring points [...]

The Vista Hand-Held Corneal Topographer brings freedom and portability to corneal topography, while still offering the same proven technology of the EyeSys System 2000 Software, which includes the Holladay Diagnostic [...]

Call EyeQuip to learn how you can get a free Scout, the world's first and only battery-operated corneal topographer. Rechargeable batteries let you move throughout the office, or you can [...]

The CT 200 is designed for ease of use with unsurpassed accuracy, reliability and reproducibility, resulting in a device capable of replacing the keratometer for use on all of your [...]

Tangential Map is the most sensitive map for measuring curvature in the peripheral region of the cornea, which makes it useful for the analysis of a keratoconic cone or the [...]

HOW DO YOU PAY FOR a corneal topographer? You can either charge your patients a separate, nominal fee ($15, for example) or add the fee for topography into your general [...]

Axial Map is preferred for describing the general corneal shape, namely whether it is spherical or astigmatic and regular or irregular. This is the most reliable map for detecting changes [...]

The corneal topographer will soon become a routine corneal health screening tool. When corneal topographers were first introduced about 10 years ago, their only application was for corneal surgery. There [...]

Owners of the EyeSys System 2000 corneal topography unit can upgrade to new Version 4.2 software, EyeSys maker Premier Laser Systems Inc. says. This upgrade is Y2K compliant, and includes [...]

Corneal topography is fast becoming the standard of care for clinical practice. Corneal topography measurement, which has found many applications in evaluating both normal and pathological corneas, is likely to [...]

Internal astigmatism does not compensate for changes in the structure of the eye, according to new research. Investigators looked at 14 years of measurements and refractive error evaluations on 367 [...]

BANGALORE, INDIA :: DEVICES USED TO MEASURE corneal topography after collagen crosslinking (CXL) should not be used interchangeably, said Aarti Agrawal, MD. In a study, it was found that four [...]

(Q) Can you provide details on swept-source imaging technology for the cornea? What are the advantages to having this technology in a refractive surgery practice? (A) 'Swept-source optical coherence tomography [...]

SACRAMENTO, CA:: Central corneal thickness (CCT) likely represents a biomarker of underlying glaucoma risk. Results from accumulating data indicate that CCT varies by race/ethnicity and is the largest artifact affecting [...]

Salt Lake City -- Corneal staining is a useful differential diagnostic tool, but one that is sometimes misunderstood, said Marc R. Bloomenstein, OD, and Derek N. Cunningham, OD, at the [...]

A proprietary fluorescein sodium and lissamine green dye combination (Fluramene, Noble Vision Group LLC) has shown favorable results for evaluating the ocular surface. Because it contains optimum concentrations of fluorescein [...]

MUCIN BALLS is the term used to describe glycoprotein-containing spherical collections that are found in the space between the corneal epithelium and the contact lens. (1,2) Their presence has dramatically [...]

AN INTACT epithelial surface is crucial to the function of the cornea by providing a hydrophilic support for tears, a smooth optical surface, and a defense mechanism against microbial invasion. [...]

Before the Ocular Hypertension Treatment Study, we measured intraocular pressure without thinking about how central corneal thickness (CCT) affects the accuracy of the IOP measurement. Today, however, we widely accept [...]

A 52-year-old white female initially presented in May 2000 as a new patient to the office. Her past ocular history was positive for ocular hypertension, for which she was monitored [...]

NEW YORK :: CORNEAL EPITHELIAL thickness has been found to remodel and change significantly after femto-LASIK, according to the findings of a prospective study conducted under the direction of A. [...]

VISTA, CA Current screening practices for donor corneal tissue include donor nasal and sputum cultures. However, a recent study suggests that automatically excluding samples with certain pathogens, such as Pseudomonas, [...]

HOUSTON POINT SOURCE COLOR LED topography (CLT)--though a relatively new technology-has theoretical advantages to provide more accurate, more repeatable measurements of corneal topography compared with Placido disc and Scheimpflug imaging [...]

PALO ALTO, CA A NOVEL CORNEAL biomechanical parameter--highest concavity time--may be a possible risk factor for glaucoma, according to data obtained from non-contact tonometry. Results of a prospective, comparative cohort [...]

Q I have a patient with keratoconus who has a very steep inferiorly displaced apex--every corneal lens rides low, as expected. Which approach would you recommend as an alternative? Would [...]

Q I just saw a patient with a whorled pattern on the corneal epithelium. What is my differential diagnosis? A 'First, ask about medications that can cause corneal whorling. These [...]

Fort Lauderdale, FL -- The correlation between corneal hysteresis (CH) and visual field damage suggests that CH measurements could be useful as an additional factor in physician decisions on the [...]

When staining the cornea with fluorescein to look for abrasions or a foreign body, I anesthetize it at the same time. Here's how: I fold the fluorescein strip longitudinally and [...]