Useful tips

What does sharp disc margins mean?

What does sharp disc margins mean?

Signs. Optic atrophy is a sign and typically is noted as optic nerve pallor. This is the end stage of a process resulting in optic nerve damage. Because the optic nerve fiber layer is thinned or absent the disc margins appear sharp and the disc is pale, probably reflecting absence of small vessels in the disc head.

What is normal Fundi?

The media are clear, providing a crisp view of the fundus. The optic disc appears pink with sharp margins and a cup-to-disc ratio of approximately 0.35. The vasculature is normal in course and caliber.

What does the fundus of the eye do?

The fundus is the inside, back surface of the eye. It is made up of the retina, macula, optic disc, fovea and blood vessels. With fundus photography, a special fundus camera points through the pupil to the back of the eye and takes pictures. These pictures help your eye doctor to find, watch and treat disease.

What are the abnormal findings in the retinal background?

Abnormalities in the retina background included hemorrhages in 18 (10.6%) eyes, hard exudates and cotton wool spots in 13 (7.8%) and 4 (2.4%) eyes respectively. Retinal vascular abnormalities were documented in 55 (32.4%) eyes.

What does a normal eye fundus look like?

Normal Fundus. The disk has sharp margins and is normal in color, with a small central cup. Arterioles and venules have normal color, sheen, and course. Background is in normal color. The macula is enclosed by arching temporal vessels.

What should a normal optic disc look like?

Typically the optic disc looks like an orange-pink donut with a pale centre. The orange-pink appearance represents healthy, well perfused neuro-retinal tissue. There are many pathological reasons why a disc may lose this orange-pink colour and appear pale ie optic atrophy.

What does a normal fundus disc look like?

The striated sheen radiating outward from the disc is evidence of a healthy retinal nerve fiber layer. There are no lesions, scars, or pigmentary changes in the macula or periphery.

How is the optic disc of a 35 year old fundus?

This is a color fundus photograph of a 35-year-old healthy patient. The media are clear, providing a crisp view of the fundus. The optic disc appears pink with sharp margins and a cup-to-disc ratio of approximately 0.35. The vasculature is normal in course and caliber.

What makes a normal fundus an adult fundus?

Normal fundus – adult. The vasculature is normal in course and caliber. The striated sheen radiating outward from the disc is evidence of a healthy retinal nerve fiber layer. There are no lesions, scars, or pigmentary changes in the macula or periphery. The fovea exhibits a crisp foveal light reflex.

How to look at fundus with your right eye?

Look at right fundus with your right eye Ophthalmoscope should be close to your eyes. Your head and the scope should move together Set the lens opening at +8 to +10 diopters. With the ophthalmoscope 12-15 inches from the patient’s eye, check for the red reflex and for opacities in lens or aqueous. While adjusting…