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What Do Doctors Look at Through an Ophthalmoscope?

According to Medicine Net, an ophthalmoscope is a device for examining the interior of the eye, including the lens, retina and optic nerve.

  1. The Lens

    • According to Medicine Net, the lens of the eye focuses light onto retina. Doctors can find cataracts by using an ophthalmascope to examine the lens, after dilating the pupil.

    The Retina

    • According to Medicine Net, the retina is a layer of nerves lining the back of the eye. It creates images that it sends to the optic nerve and thence to the brain. "Eye floaters" are dark spots on the retina that doctors can diagnose using an ophthalmoscope.

    The Optic Nerve

    • The optic nerve connects the eye to the brain, which then interprets images. Examining the optic nerve with an ophthalmoscope can help detect signs of glaucoma.

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