In addition, hypertension may accelerate nonvascular eye disease, including age-related macular degeneration and glaucoma. Fundoscopy should be part of the physical examination on every patient with newly diagnosed hypertension since the retina is the only part of the vasculature that can be visualized noninvasively.
What is the treatment for hypertensive retinopathy?
Treating hypertensive retinopathy typically involves controlling high blood pressure through lifestyle changes, medication and careful monitoring. Through this, the condition can be halted, and the damage may slowly heal.
What are the fundus changes in a hypertensive patient?
Hypertensive retinopathy causes vascular constriction of retinal arterioles and typical fundus findings, such as blot hemorrhages, hard exudates and cotton wool spots resulting from ischemia within the nerve fiber layer.
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 is fundus test 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.
What is drusen made of?
Drusen are about the width of a pinhead and are composed of a mixture of proteins and lipids (naturally occurring molecules that include fats). They often cause no symptoms, but can occasionally cause visual distortion if they are very large and near the center of the retina.
What is hypertension retinopathy?
Hypertensive retinopathy is retinal vascular damage caused by hypertension. Signs usually develop late in the disease. Funduscopic examination shows arteriolar constriction, arteriovenous nicking, vascular wall changes, flame-shaped hemorrhages, cotton-wool spots, yellow hard exudates, and optic disk edema.
How do you test for hypertensive retinopathy?
Your doctor will use a tool called an ophthalmoscope to examine your retina. This tool shines a light through your pupil to examine the back of your eye for signs of narrowing blood vessels or to see if any fluid is leaking from your blood vessels. This procedure is painless. It takes less than 10 minutes to complete.
What is a macular star?
Optic disk edema with a macular star is a descriptive term encompassing a heterogeneous group of disorders. The clinical features include sudden visual loss, swelling of the optic disk, peripapillary and macular exudates that may occur in a star pattern, and cells in the vitreous.
Why fundus test is done?
This test is often included in a routine eye exam to screen for eye diseases. Your eye doctor may also order it if you have a condition that affects your blood vessels, such as high blood pressure or diabetes. Ophthalmoscopy may also be called funduscopy or retinal examination.
What is the fundus?
The part of a hollow organ that is across from, or farthest away from, the organ’s opening. Depending on the organ, the fundus may be at the top or bottom of the organ. For example, the fundus of the uterus is the top part of the uterus that is across from the cervix (the opening of the uterus).
What’s the difference between exudates and drusen?
Exudates are caused by leaking fatty deposits from blood vessels and appear in compact groups, whereas drusen are believed to be a result of a reduced capacity of the retina to cleanse waste products from the photoreceptors and can appear over the whole retina.
What is the role of funduscopy in the workup of hypertension (high blood pressure)?
In the early stages, funduscopy identifies arteriolar constriction, with a decrease in the ratio of the width of the retinal arterioles to the retinal venules. Chronic, poorly controlled hypertension causes the following:
What are some examples of fundoscopic exams?
But the fundoscopic exam can discover pathological process otherwise invisible, examples are plentiful, and include recognizing endocarditis, disseminated candidemia, CMV in an HIV infected patient, and being able to stage both diabetes and hypertension.
What are the findings of funduscopic examination of diabetic retinopathy?
Funduscopic examination shows arteriolar constriction, arteriovenous nicking, vascular wall changes, flame-shaped hemorrhages, cotton-wool spots, yellow hard exudates, and optic disk edema. Treatment is directed at controlling blood pressure and, when vision loss occurs, treating the retina.
What is included in a physical exam for hypertension (high blood pressure)?
The physical exam on a patient with hypertension includes vital signs, cardiovascular exam, pulmonary exam, neurological exam, and dilated fundoscopy. Vital signs should obviously focus on blood pressure. Key elements of the cardiovascular exam include heart sounds (gallops or murmurs), carotid or renal bruits, and peripheral pulses.
