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*All required fields must be completed. Please include non-medical questions and correspondence only. If you are having a medical emergency, please call 9-1-1 or go directly to the Emergency Room.To schedule an appointment, please contact our office at Jacksonville 800.237.3846, Daytona Beach 800.555.6590, Lake Mary 877.357.3846. Our regular office hours are 8AM to 5PM Monday through Friday.
*All required fields must be completed. Please include non-medical questions and correspondence only. If this is an emergency referral, please contact our office directly, Jacksonville 800.237.3846, Daytona Beach 800.555.6590, Lake Mary 877.357.3846. Our regular office hours are 8AM to 5PM Monday through Friday.
With an Optical coherence tomography (OCT) we can look closely at the retina and obtain a virtual, non-invasive biopsy. Similar to a CAT scan, the OCT uses infrared light rather than x-rays to form a cross-sectional view of your retina. This detailed image of the retina allows your doctor to see the retina at a microscopic level and detect swelling in the retina.
To prepare you for an Optical Coherence Tomography (OCT) exam, your doctor may put dilating eye drops in your eyes in order to widen your pupil and make it easier to examine the retina.
After the pupils are dilated, the patient is seated in front of the OCT machine, the head rests on a support to keep it motionless.
The patient simply looks into the lens of the device at a small, blinking target, the equipment scans the eye without touching it.
The OCT test is over in seconds. If your eyes were dilated, they may be sensitive to light for several hours after the exam.
Dr. Dunn perfoming a Spectralis OCT on a patient.
The Optical Coherence Tomography technology provides great components for examining the vitreo-retinal interface, as it helps to pinpoint retinal pathologies and detect retinal edemas.
The OCT uses data to monitor the progression of the disease and with it your doctor can determine if treatment is necessary.
It also enables your eye doctor to tell whether or not retinal therapies such as laser or eye injections are decreasing the fluid or edema in the retina.
Expect to get an OCT test on almost every visit to your retina doctor.
The Spectral (or Fourier) Domain OCT (SD-OCT) uses a significantly faster, non-mechanical technology.
The SPECTRALIS® SD-OCT simultaneously measures multiple wavelengths of reflected light across a spectrum, hence the name spectral domain. The SPECTRALIS system is 100 times faster than TD-OCT and acquires 40,000 A-scans per second.
The increased speed and number of scans translates into higher resolution and a better chance of observing disease.
A Heidelberg Spectralis OCT.
High speed image acquisition is combined with custom TruTrack™ technology to actively track the eye during imaging. Tracking eye movement with simultaneous dual-beam imaging minimizes motion artifact, enables noise reduction and allows the instrument to precisely track change over time. The result is point-to-point correlation between fundus and OCT scans, greater image detail and clarity, and a more confident assessment of small changes.