The first surface that light entering the eye encounters is the front of the cornea, the clear, dome-shaped window which covers the iris. Because the cornea provides a major part of the focusing power of the eye, an accurate analysis of its shape and curvature is important in contact lens design or evaluating changes resulting from various disease processes.
A topographical map of the cornea is invaluable in evaluating changes to the corneal curvature that are a hallmark of some conditions like keratoconus, where the cornea begins to become thinner in some areas and tends to bulge outward. Keratoconus is usually treated with rigid contact lenses which help stabilize the corneal curvature and push it back into a more spherical shape; topographical maps are extremely helpful in designing the lenses and evaluating their effectiveness over time.
Refractive surgery is another area where topography is important in planning the type of surgery. In LASIK, corneal tissue is removed by the laser, giving it a flatter profile; topography helps determine how much.
In cataract extraction surgery or clear lens extraction, topography helps determine the power of the implanted lens that replaces the natural lens behind the iris where the cataract is located. In most cases of cataract surgery, the implanted lens allows the patient to see much more clearly than before, even without corrective eyewear. Most people are much less dependent on their eyeglasses than previously.
Technology over the past few years has taken giant leaps forward, and provides eyecare practitioners and other health care professionals with options for treatment that were never available before. Better technology from better measurements from better instrumentation equates to better outcomes in just about every area of health care.
Corneal topography is just one aspect of this forward trend, and it is a significant one without doubt. If or when you have it done, take a few minutes to look over your topographical corneal maps, because it is quite interesting.
The optomap system captures nearly 80% of your retina in a panoramic image whereas a normal eye exam only captures 15% of the retina.
this cutting edge technology allows dr. west to diagnose and treat the earliest signs of disease in your retina.
the optomap is fast, painless, and comfortable and normally does not require pupil dilation. ask about the optomap for your next eye exam.
Below is a just a few of the many issues the optomap has detected in our patients ocular examinations:
- diabetic retinopathy
- retinal detatchment
- retinal plaques and clots
- retinal holes and tears
- macular degeneration
- posterior vitrous detachments
- retinal nevus and melonoma
Intraocular Pressure Testing
Most patients can't stand the standard "puff of air" test that most offices use. That's why we use the much more accurate (and more comfortable) iCare tonometry system. No more Puff!
The highest level of technological precision for mapping the shape of the eye. Featuring 360-degree coverage and 10-micron precision, the sMap3D™ corneo-scleral topographer captures one million measurement points to create highly detailed maps of the cornea and sclera. The data collected informs the design of our totally customizable scleral lenses.
Optovue OCT has a broad range of applications in today's eye care practices. OCT technology generates high-resolution, cross-sectional and three-dimensional (3D) images of the retina, optic disc and anterior segment, to give you valuable information that aids in the diagnosis and management of a range of ocular diseases.
- Optovue OCT has a broad range of applications in today's eye care practices. OCT technology generates high-resolution, cross-sectional and three-dimensional (3D) images of the retina, optic disc and anterior segment, to give you valuable information that aids in the diagnosis and management of a range of ocular diseases.
- In addition to cross-sectional images of retinal tissue, Optovue OCT systems include dense 3D cubes of data that can be dissected to visualize individual retinal layers in an en face view, and thickness maps with normative comparison. With this information, you gain new insights into the health of the retina to increase diagnostic confidence and measure your patient's response to treatment.
- OCT technology is transforming the way physicians assess nerve fiber layer thickness, ganglion cell complex thickness, and a range of parameters on the optic disc. Optovue OCT systems utilize advanced software to provide extensive analysis of optic disc structures in simple, easy-to-read reports.
- Anterior segment OCT further expands the role of OCT in clinical practice and gives you the ability to visualize cross sections of the cornea, see and measure corneal angles, measure and track corneal thickness over multiple visits, and calculate IOL powers in post-refractive surgery patients.
- OCT gives you and your practice state-of-the-art tools to aid in diagnosing and caring for your patients with ocular disease. In fact, OCT has become indispensable to many of today's eye care practices, and clinicians worldwide are finding they do not want to practice without it.