What is the Advantage and Disadvantage of Retinal Camera

With the right retinal camera, ophthalmologists can more accurately diagnose and treat diseases of the eye. A retinal camera, or fundus camera, allows practitioners to view the retina in deeper detail and store results for further study and comparison. More importantly, both the practitioner and the patient can review clearer, more in-depth analyses of the condition, and furthermore, take next steps for treatment.

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Get a Bigger, Better Picture

Modern day fundus cameras are simple-to-use, revolutionary devices that capture detailed images necessary for maintaining ongoing eye health and addressing eye disease at earlier stages. A non-mydriatic fundus camera:

• Makes use of the retina&#;s reflective properties to show details and store images that are superior to slit lamps and other commonly-used tools.
• Does not require pupil dilation in the majority of cases, and is painless for patients.
• Provides early detection and monitoring of a number of serious eye health conditions, such as macular degeneration, glaucoma, high blood pressure, damage caused by multiple sclerosis, and diabetic retinopathy.
• Offers images that visually add to ophthalmologist notes, and creates a fuller picture of eye health that can be shared with other physicians easily in the collaborative management of patient health.
• Is easy to operate with little training required.
• Offers a wide angle of the targeted retina.
• Has different filters to choose from for the purposes of image enhancement.

The non-mydriatic fundus camera does not:

• Provide stereoscopic capability.
• Detect abnormalities that are outside of the field viewed.
• Artifact from under- and over-exposure.
• Garner third-party coverage from most providers without concurrent eye exams.

According to Dr. Mahsa Salehi, clinical faculty member in ophthalmology at John Hopkins University School of Medicine, AOA guidelines &#;mention that fundus photography provides documentation and is the best routine approach to establish a baseline for routine comparisons.&#; Furthermore, she said, &#;They further point out that fundus photography is a more reproducible technique than the clinical exam for detecting posterior segment disease. It is not, however, medically necessary to document the existence of a condition, but medically necessary to establish the baseline to judge later if a disease is progressive.&#;

One study evaluating a non-mydriatic widefield imaging system showed positive predictive values as high as 97% and negative predictive values up to 75% in the case of diagnosing retinal pathology. Having a clear baseline of a patient&#;s eye health, as Dr. Mahsa Salehi stated, accounts for these high percentages in predictive values.

To learn more about fundus cameras, visit our blog; Why an Eye Exam Should Include a Fundus Camera. Or, check out Coburn&#;s user-friendly SK-650A Non-Mydriatic Retinal Camera, that will capture high-resolution images needed to diagnose and treat your patients. Contact us to find out more. We can get you started on implementing the right fundus device into your practice.

Retinal imaging takes a digital picture of the back of your eye. It shows the retina (where light and images hit), the optic disc (a spot on the retina that holds the optic nerve, which sends information to the brain), and blood vessels. This helps your optometrist or ophthalmologist find certain diseases and check the health of your eyes.

Doctors have long used a tool called an ophthalmoscope to look at the back of your eye. Retinal imaging allows doctors to get a much wider digital view of the retina. It doesn&#;t replace a regular eye exam or regular dilation but adds another layer of precision to it.

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Who Gets This Test?

Your doctor may recommend it if you have any the following diseases or conditions:

Diabetes: This disease can damage the blood vessels in your retina. Over time, it causes you to lose your sight if it is not controlled.

Macular degeneration: The central part of your retina (the macula) starts to get worse with age. You may have blurry vision and find it harder to focus. If that happens, you may be considered legally blind even though you may still have peripheral vision. There are two kinds of macular degeneration: wet and dry.

Dry macular degeneration is by far the most common form of this disease (up to 90% of the cases). It happens when blood vessels under the retina become thin and brittle.

Abnormal blood vessels growing under the retina cause wet macular degeneration. Vision loss is usually fast.

Retinal imaging is very important in finding this type of macular degeneration.

Glaucoma: This disease damages your optic nerve (located in the retina) and may cause vision loss. It typically happens when fluid builds up in the front of your eye. It can cause blindness but it normally progresses slowly and can be treated with special eye drops to lower the pressure caused by the fluid.

Retinal Toxicity: The arthritis drug hydroxychloroquine (Plaquenil) can damage your retina.

Your doctor may also use retinal imaging if your vision is getting worse and they aren&#;t sure why.