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Impaired vision of unknown origin

Impaired vision loss defects are noticeable defects in your vision field that can not directly be explained by medical history, or preliminary exam.

The reason for this may be due to the fact that the defects are in different areas of the eye. Areas that should be examined are e.g. the vitreous body, the retina or the optic nerve head.

If the cause of impairment is detected early and accurately, in most cases, effective therapies may improve vision.

Normal vision.
Normal Vision.
Examploe of a visual field with some defect in the retina.
Example of a visual field with some defect in the retina.
Example of a visual field with impaired vision loss due to an optic nerve head defect.
Example of a visual field with impaired vision loss due to an optic nerve head defect.

(click to enlarge the image)

What is an OCT examination?

“OCT” is short for “optical coherence tomography” a modern imaging technique like MRI or sonogram, which shows doctors structures inside the eye that can change due to eye disease.

What are medical benefits of the OCT examination?

The OCT exam images different areas of the eye to help identify the reason behind impaired vision loss.

OCT of the optic nerve head
OCT of the optic nerve head
OCT of the retina
OCT of the retina

Particularly in cases where the pre-examination offers limited information, the OCT exam can be used to support diagnosis.

The OCT examination not only enables the physician to identify the origin of impaired vision loss, it can also help with therapy decisions.

Comments:

We would like to point out that as an instrument manufacturer, Heidelberg Engineering does not conduct any examinations. A professional ophthalmic examination can and must be performed only by your eye care professional and is absolutely necessary for a precise diagnosis, treatment recommendation, and follow-up.

Heidelberg Engineering cannot answer any questions on individual symptoms or make diagnoses. In these cases, please contact your eye care professional.

The diagnostic instruments from Heidelberg Engineering support your eye care professional in making a diagnosis. However, please note that a diagnostic decision should not be made on the basis of only a single examination.

Eye care professionals should always get a comprehensive idea of the situation before making a clinical assessment of a patient. For this reason, they will always incorporate additional clinical information into their diagnoses, such as family history, the progression of the disease, visual acuity, intraocular pressure, or an examination using a slit lamp.

Heidelberg Engineering makes no claim to completeness of the data. This website is purely a knowledge platform for you to use as a basis of information. We assume no liability for the content of links to external websites.

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