9/22/2023 0 Comments Oct macular testThe OCT permits us to diagnose many eye conditions, including glaucoma, macular degeneration, diabetic retinopathy, and various retinal an macular issues.įor a (somewhat amusingly) dated – but informative – look at the OCT when it first came out, you can also watch this video. Early detection means we can treat diseases like glaucoma, or halt the progress of macular degeneration, before they cause irreversible vision damage. Because the OCT’s map of the eye is three-dimensional, doctors can detect areas of the eye that are abnormal or indicate early damage (for example, if there is a blister of fluid in a layer of the retina), before it has affected the vision of the patient. ![]() So what do these colorful pictures mean? A doctor looking at the above image knows what a healthy retina and optic nerve will look like – how thick and/or even it should be, and more. Here are some examples of the information that Optical Coherence Tomography can provide about your eyes: ![]() The device never makes any contact with your eyes. From a patient standpoint, this simply means you sit at the machine and place your head as directed, and within minutes, the technician will tell you they have the images they need and you go on to the next portion of your eye exam. Then, a camera-like device directs waves of light, which bounce back with an accurate 3-D picture of your eye structure. For this procedure, we will first apply dilating eye drops for better results. It is safe, non-invasive, and not destructive to tissue. Dan SiapcoĪnother way to think of OCT is that it functions like an ultrasound, except it uses light* – instead of sound waves – to map the shape of the retina and optic nerve. The OCT allows us to diagnose and manage various eye problems like glaucoma and macular degeneration with greater accuracy and sensitivity.” – Dr. Previous to these amazing technologies we were only able to see this view of an eye with tissue sections after the patient was deceased or if the eye was removed. “The OCT is an excellent way to visualize the different layers of the retina and optic nerve in a living eye. Simply put, the OCT is a non-invasive tool that “takes pictures of the back of your eye.” OCT stands for Optical Coherence Tomography.
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