ASTIGMOSCOPE Meaning and
Definition
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An astigmoscope is a medical device used for the measurement and diagnosis of astigmatism, a common vision condition. Astigmatism is a refractive error in which the curvature of the cornea or lens of the eye is irregular, causing blurred or distorted vision. The astigmoscope works by projecting different lines or patterns onto the retina, allowing the ophthalmologist or optometrist to evaluate the degree and type of astigmatism present.
The astigmoscope typically consists of a light source, a set of adjustable lenses or filters, and a series of rotating discs with different line orientations or visual patterns. The patient looks into the instrument, and the lines or patterns are adjusted until they appear clear and well-defined. Based on the adjustments needed, the examiner can determine the axis and magnitude of astigmatism.
This diagnostic tool is particularly useful in determining the most appropriate prescription for corrective lenses, such as eyeglasses or contact lenses, to correct astigmatism. By analyzing the results obtained with an astigmoscope, eye care professionals can design precise lenses with the necessary cylindrical correction to enhance visual acuity and clarity. Furthermore, the astigmoscope helps in monitoring changes or progression of astigmatism over time, enabling proper management and treatment of the condition.
In summary, the astigmoscope is an essential instrument for the accurate diagnosis and evaluation of astigmatism, allowing eye care professionals to provide appropriate corrective measures for patients experiencing astigmatic vision.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ASTIGMOSCOPE
- zstigmoscope
- sstigmoscope
- wstigmoscope
- qstigmoscope
- aatigmoscope
- aztigmoscope
- axtigmoscope
- adtigmoscope
- aetigmoscope
- awtigmoscope
- asrigmoscope
- asfigmoscope
- asgigmoscope
- asyigmoscope
- as6igmoscope
- as5igmoscope
- astugmoscope
- astjgmoscope
- astkgmoscope
- astogmoscope
Etymology of ASTIGMOSCOPE
The word "astigmoscope" is a combination of two Greek roots: "astigmat-" and "-scope".
The root "astigmat-" comes from the Greek word "astigma", meaning "distorted" or "faulty". It is derived from "a-" (without) and "stigma" (point or mark), implying the absence of a clear or defined point. "Astigmat-" is commonly used in the medical field to describe a visual condition called astigmatism, where the cornea or lens of the eye is abnormal, causing blurred or distorted vision.
The suffix "-scope" is also of Greek origin, meaning "to examine" or "to view". It comes from the Greek word "skopein", which means "to look" or "to see". This suffix is commonly used in various scientific and medical terms to indicate an instrument or device used for observation or examination.
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