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Our Technology

Visionary Eye Doctors strives to be at the forefront of technology. We are proud to announce that we now offer Diopsys® – a brand new, state of the art, diagnostic machine to help us diagnose diseases of the retina and optic nerve! We are one of the few practices in the DC metro area that can perform VEP and ERG testing. (See below)

Baseline ophthalmic testing for new patients and complete medical eye exams

At Visionary Eye Doctors, we are committed to giving you world-class care. The best technology in eye diagnostics are available at your service. Sometimes your medical insurance covers these diagnostic tests. However, unless you have a specific diagnosis, your insurance will not pay for some of these tests because most medical insurances are geared for treatment, not prevention. These tests can uncover sub-clinical problems to help guide early detection and prevention. A comprehensive eye and vision examination at Visionary Eye Doctors may include, but is not limited to, the following tests:


optomap rockville mdAnnual eye exams are vital to maintaining your vision and overall health. Visionary Eye Doctors offers the optomap® as an important part of our eye exams. The optomap® produces an image that is unique and provides our doctors with a high-resolution 200° image in order to ascertain the health of your retina. This is much wider than a traditional 45° image. Many eye problems can develop without you knowing, in fact, you may not even notice any change in your sight. Fortunately, diseases or damage such as macular degeneration, glaucoma, retinal tears or detachments, and other health problems such as diabetes and high blood pressure can be seen with a thorough exam of the retina.

The inclusion of optomap® as part of a comprehensive eye exam provides:

  • A scan to show a healthy eye or detect disease.
  • A view of the retina, giving your doctor a more comprehensive view than they can get by other means.
  • The opportunity for you to view and discuss the optomap® image of your eye with your doctor at the time of your exam.
  • A permanent record for your file, which allows your Visionary Eye doctor to view your images each year to look for changes.

This technology is fast, easy, and comfortable for patients. Call our office or click here to schedule your optomap® today!

Visual evoked potential (VEP)

Diopsys Machine Used for VEP & ERGVisual evoked potential (VEP) tests the optic nerve, which connects the eye to the brain. Many diseases, such as ischemic glaucoma, optic neuropathy, multiple sclerosis and other nerve disorders, can affect the speed at which signals travel along the optic nerve to the brain. This may translate to decreased vision. With the VEP using Diopsys® we can measure the speed of signals from the eye to the brain.

Electroretinography (ERG)

The electroretinography (ERG) tests the function of the retinal cells. This new vision testing system, Diopsys®, helps our eye care professionals detect changes to the retina before the patient experiences vision deficits. These include early diagnoses of glaucoma, macular degeneration, diabetic retinopathy, and other neuro-visual disorders.

Oculus Pentacam used for corneal topography & corneal pachymetryPentacam® Scheimpflug Camera Technology

Oculus Pentacam Corneal topography is a noninvasive imaging technique for mapping the front and back surfaces of the cornea, the outer structure of the eye. This is of critical importance in determining quality of vision as the cornea is responsible for about 70% of the eye’s focusing power. This test has a wide variety of uses: detection of numerous corneal diseases, assessment and evaluation of refractive surgery such as LASIK/PRK and assessing the fit of contact lenses, pachymetric (thickness) measurements, which can affect the accuracy of pressure readings.

Click here for more information on our Clinical Pentacam® Research!

  OCT Spectralis in OCT sectionDigital Retinal Imaging

The sensitive tissue that makes up the retina is susceptible to a variety of diseases that can ultimately lead to partial loss of vision or even complete blindness. Early detection of retinal abnormalities is important in the diagnosis and management of not only eye diseases, but also high blood pressure, hardening of arteries, diabetes, brain tumors and stroke prevention.

Digital retinal imaging is a high-resolution photographic system that details the retina in full color. Due to the importance of meticulously screening the retina, digital retinal imaging is used to establish a wellness baseline and follow critical retinal developments throughout our patient’s lifetime.

Optical Coherence Tomography (OCT)

OCT is a new type of noninvasive imaging technology that uses rays of light to take an extremely detailed picture of the retina or optic nerve. The retina is the “film” of your eye that is made up of millions of cells that capture light. The retina and optic nerve OCT images are displayed as slices, allowing our doctors to precisely measure the thickness of each layer to aid in early detection of diseases. These conditions include age-related macular degeneration, diabetic retinopathy, macular swelling, macular holes and optic nerve damage. In addition, OCT can detect the earliest pre-symptomatic signs of glaucoma, allowing our doctors to start early treatment to help preserve your eyesight. The progression of your eye retinal and optic nerve disorders can be tracked to provide the most appropriate treatment for your unique circumstances.

Endothelial cell count (ECC)Endothelial Cell Count

The endothelial cell count test is a screening tool used to verify that your cornea has adequate endothelial cells. The cornea is your window to the world. The corneal endothelium is the innermost layer of the eye and contains many endothelial cells. Patients at risk for decreased endothelial cell density include but are not limited contact lens wearers, patients about to undergo intraocular surgery, patients with previously diagnosed eye diseases such as glaucoma or Fuchs’ dystrophy and other factors determined by our doctors.


VF Visual Field Analysis

The Visual Field Analysis tests an individual’s scope of vision. This test individually maps the central and peripheral fields of vision of each eye. Visual field testing is most frequently used to detect signs of optic nerve
damage secondary to glaucoma, diabetic retinopathy, eyelid conditions such as ptosis or drooping of the eye lids, optic nerve disease and diseases affecting the visual pathways within the brain.TOPCON FUNDUS CAMERA used for Visual Field Analysis


Topcon TRC-NW400 External and Fundus

The TRC-NW400 fundus camera produces true color fundus images in a revolutionary easy way: with a single touch of a fingertip. We can acquire fundus images for small pupils, as small as 3.3mm allowing us to photograph nearly all customers prior to pupil dilation. The camera’s single-click function with a camera that has high sensitivity and low flash intensity allows us to efficiently obtain fundus images and external photographs with minimal patient discomfort.

Sonomed Escalon BSCAN

B–scan ultrasonography, or B–scan, produces a two-dimensional, cross-sectional view of the eye and the orbit. B–scan ultrasonography is an important adjuvant for the clinical assessment of various ocular and orbital diseases.

IOL Master 500 for cataract surgeryZeiss IOL Master®

Cataracts, the opacification of the ocular lens, can be removed with minimally invasive techniques. Precise and accurate calculations of the eye are required to not only choose the appropriate artificial lens implant, but also to see how previous ocular procedures, such as LASIK affect surgical parameters. The Zeiss IOL Master® is considered the gold standard for biometric measurements in preparation for cataract surgery.

For comprehensive, leading-edge eye care you can trust, come to Visionary Eye Doctors. We provide top-notch ophthalmology and optometry services. Residents of Potomac, Bethesda, Silver Spring, Rockville, Gaithersburg in Montgomery County, MD and DC can call us at (301) 896-0890 or use our online Request an Appointment form to schedule your consultation.

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Phone: (301) 896-0890 | Fax: (301) 896-0968

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