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Advanced Technology with iVue & Visual Field Testing

iVue OCT

iVue SD OCT V2IlluminEyes VisionCare now has the iVue OCT! The iVue System is a powerful clinical tool that changes the way you analyze the retina, optic disc and the cornea. It measures the thickness of the retina, nerve fiber layer, ganglion cell complex and the cornea. It is also able to track changes and predict trends in RNFL and GCC thickness and measure angles with precision to help in disease diagnosis. And lastly, it simplified your specialty lens fits with a new view of the cornea and precision measurement tools.


Visual Field Testing

A visual field test measures the range of your peripheral or “side” vision to assess whether you have any blind spots (scotomas), peripheral vision loss or visual field abnormalities. It is a straightforward and painless test that does not involve eye drops but does involve the patient's ability to understand and follow instructions.
An initial visual field screening can be carried out by the optometrist by asking you to keep your gaze fixed on a central object, covering one eye and having you describe what you see at the periphery of your field of view. For a more comprehensive assessment, special equipment might be used to test your visual field. In one such test, you place your chin on a chin rest and look ahead. Lights are flashed on, and you have to press a button whenever you see the light. The lights are bright or dim at different stages of the test. Some of the flashes are purely to check you are concentrating. Each eye is tested separately and the entire test takes 15-45 minutes. These machines can create a computerized map out your visual field to identify if and where you have any deficiencies.
For an eye exam in Nashua, schedule an appointment today.

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