How do you perform an Ophthalmoscopic exam?

To exam the patient’s RIGHT eye, hold the ophthalmoscope in your RIGHT hand and use your RIGHT eye to look through the instrument. Place your left hand on the patient’s head and place your thumb on their eyebrow. Hold the ophthalmoscope about 6 inches from the eye and 15 degrees to the right of the patient.

How do you examine an optic disc?

Begin at arm’s length. Begin at arm’s length by shining the ophthalmoscope light into the patient’s pupil (you will then see the red reflex). Follow this reflex until your forehead rests on your thumb—you should immediately see the optic disc.

What structures are examined during an Ophthalmoscopic exam?

Ophthalmoscopy is a test that allows your ophthalmologist, or eye doctor, to look at the back of your eye….This part of your eye is called the fundus, and consists of:

retina.
optic disc.
blood vessels.

How is Fundus examination done?

obtain a better view of the fundus of eye. Dilated fundus examination or dilated-pupil fundus examination (DFE) is a diagnostic procedure that employs the use of mydriatic eye drops (such as tropicamide) to dilate or enlarge the pupil in order to obtain a better view of the fundus of the eye.

When performing the Ophthalmoscopic examination which finding of the optic discs is abnormal?

No wrinkling of the retina should be seen. Chalky whiteness or erythema of the disk is abnormal, as are indistinct disk margins. Any sharp change in elevation that renders one area out of focus with the ophthalmoscope, while the remainder of the retina remains in focus, is abnormal.

What is normal CDR?

The normal cup to disc ratio (the diameter of the cup divided by the diameter of the whole nerve head or disc) is about 1/3 or 0.3. There is some normal variation here, with some people having almost no cup (thus having 1/10 or 0.1), and others having 4/5ths or 0.8 as a cup to disc ratio.

Why are Ophthalmoscopic examinations important?

It is used to detect and evaluate symptoms of retinal detachment or eye diseases such as glaucoma. Ophthalmoscopy may also be done if you have signs or symptoms of high blood pressure, diabetes, or other diseases that affect the blood vessels.

Why is the Ophthalmoscopic examination an important diagnostic tool?

Fundoscopic / Ophthalmoscopic Exam. Visualization of the retina can provide lots of information about a medical diagnosis. These diagnoses include high blood pressure, diabetes, increased pressure in the brain and infections like endocarditis.

What is the difference between optometry and ophthalmology?

Optometrists are the first line of care for your eye health. They perform routine eye exams, prescribe corrective lenses, and know when a person needs to see an ophthalmologist. Ophthalmologists are medical doctors that specialize in the care of more complex eye disorders and perform eye surgery if required.

What is NRR in eyes?

The NRR is that region of the OD that occupies the. retinal nerve ﬁber axons. The shape of the NRR changes in. case of a pathological OD. The intraocular ﬂuid present in the eye exerts pressure.

What makes a good optic disc exam?

There are two steps to a good optic disc exam, the glaucoma experts agree. The first step is examination of the optic nerve and nerve fiber layer. The second step is documentation of the appearance of the nerve with a baseline photo.

How long does it take to do an optic disc exam?

A good optic disc exam can be done in 30 seconds, said Dr. Liebmann, who teaches continuing medical education courses on the subject. He added that while there is no single definitive test, “it’s a question of putting together a series of findings.”

What is a fundoscopy/ophthalmoscopic exam?

What is an ophthalmoscopy and how does it work?

Ophthalmoscopy is an exam your doctor, optometrist, or ophthalmologist uses to look into the back of your eye. With it, he can see the retina (which senses light and images), the optic disk (where the optic nerve takes the information to the brain ), and blood vessels.