What is an OCT test used for?

What is Optical Coherence Tomography (OCT)? OCT is an imaging method used to generate a picture of the back of the eye, called the retina. The picture is made by precisely measuring the amount of a dim red light that reflects off the retina. OCT is routinely used to image the eyes of patients with glaucoma.

What are the OCT features of wet AMD?

The main signs of CNV activity in OCT are the presence of intraretinal or subretinal fluid, PEDs and/or RPE rips. These OCT findings should be evaluated biomicroscopically for the presence of fibrosis in disciform scars, which are final and irreversible stages of the disease that sometimes can be shown on OCT.

What is ARMD in ophthalmology?

Age-related macular degeneration (ARMD) is an acquired degeneration of the retina that causes significant central visual impairment through a combination of non-neovascular (drusen and retinal pigment epithelium abnormalities), and neovascular derangement (choroidal neovascular membrane formation).

What is the cost line OCT?

Purpose. On frequency domain optical coherence tomography (fdOCT) scans, a line is often present between the inner segment ellipsoid (ISe) and retinal pigment epithelium (RPE), and is sometimes called the cone outer segment termination (COST) or misnamed Verhoeff’s membrane.

Can a eye test detect a brain tumor?

A regular, routine eye test can sometimes detect eye problems that indicate the presence of a brain tumour before any symptoms become obvious. An eye test is particularly good at identifying any swelling of the optic disc (a condition called papilloedema) and can also identify when there is pressure on the optic nerve.

Are OCT scans safe?

OCT is a completely safe and non-invasive scan that takes less than a minute and requires no drops or contact with the eye.

What is cscr eye?

Central serous chorio-retinopathy (CSCR), refers to a collection of fluid under the retina. This is caused by a disturbance in the pumping action of special cells called RPE cells (retinal pigment epithelial cells) and/or abnormalities in the vascular (blood vessel) layer, known as choroid.

Is OS junction in October?

The spectral domain OCT devices allow one to view the details of the retinal layers, particularly the photoreceptor inner and outer segment junction (IS/OS line), the external limiting membrane (ELM) line, and the retinal pigment epithelium, which can be clearly seen as hyper-reflective bands.

Can you drive with macular degeneration?

Can I Still Drive If I Have Macular Degeneration? Many patients with vision loss due to AMD can continue to drive with the help of low vision aids. Whether this is possible for you depends on many factors, such as the severity of your vision loss and the local DMV driving laws in your region.

Is OS an ellipsoid?

The ellipsoid zone (EZ), formerly known as the inner/outer segment of photoreceptors (IS/OS), refers to the second hyper-reflective band on an optical coherence tomography (OCT) image (Fig. 1)8,9.

Is OS junction in Oct?

Optical coherence tomographic (OCT) signs of type 2 MacTel include hyporeflective spaces in the inner and outer retina, and a discontinuity (break) in the line commonly attributed to the junctions of the photoreceptor inner and outer segments (IS/OS line).