AS meaning in Medical ?

Answer:

What is Astigmatism mean?

Astigmatism is a type of refractive error due to rotational asymmetry in the eye's refractive power. This results in distorted or blurred vision at any distance. Other symptoms can include eyestrain, headaches, and trouble driving at night. Astigmatism often occurs at birth and can change or develop later in life. If it occurs in early life and is left untreated, it can result in amblyopia.

The cause of astigmatism is unclear, however it is believed to be partly related to genetic factors. The underlying mechanism involves an irregular curvature of the cornea or abnormalities in the lens of the eye. Diagnosis is by an eye examination, through objective and subjective refraction.

Three treatment options are available: glasses, contact lenses, and surgery. Glasses are the simplest. Contact lenses can provide a wider field of vision. Refractive surgery permanently changes the shape of the eye.

In Europe and Asia, astigmatism affects between 30 and 60% of adults. People of all ages can be affected by astigmatism. Astigmatism was first reported by Thomas Young in 1801.

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Academic Science	Academic & Science
Active Serial	Academic & Science
Addressing System	Academic & Science
Air Stream	Academic & Science
Astronomical Society	Academic & Science
Academia Sinica	Academic & Science
Chinese Academy (Taiwan)	Academic & Science
中央研究院	Academic & Science
Attosecond	Academic & Science
Zhōngyāng Yánjiū Yuàn	Academic & Science
Académie des Sciences à Paris	Academic & Science
Accent Sensitive	Academic & Science
Australian Standard	Academic & Science
Académie des Sciences	Academic & Science
French Academy of Sciences	Academic & Science
Auto-Scaling	Academic & Science
Associated Students	Academic & Science
Analytical Studies	Academic & Science
Accounting Standard	Banking
Allocation Status	Business
American Standard Code for Safety Glazing Materials	Business
Arsenic	Chemistry
Ammonium Sulphate	Chemistry
Asif Sakhi	Community
Airline Schedule	Community
Art Space	Community
Accommodation Support	Community
Alexander Schleicher	Community
Adolf Schickelgruber	Community
Anatomical Society	Community
Antonio Stradivari, violin maker	Community
Alaihi Salaam	Community
American Singer	Community
Add Sideways	Computer Assembly Language
Accelerated Standard	Computer Hardware
Autonomous System	Computer Hardware
American Samoa (TLD)	Computing
ASsembler	Computing
Activity Start	Computing
Application System	Computing
American Samoa	Country Names
Associate of Science	Educational Degree
Advanced Subsidiary	Educational Degree
Actionscript	File Type
All Smoking	General
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Artificial Sweetener	General
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Auto and Shop Information	Governmental
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Apprentice Seaman	Governmental
Artillery Shelling	Governmental
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Assam	Indian State
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Audiogenic Seizure	Medical
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Angelman Syndrome	Medical
Anal Sphincter	Medical
Auris Sinistra (left Ear)	Medical
ArterioSclerosis	Medical
Astigmatism	Medical
Asperger Syndrome	Medical
left ear [Lat.]	Medical
Absence of Seizures	Medical
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Acoustic Schwannoma	Medical
Acoustic Stimulation	Medical
Active Surveillance	Medical
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Adeno-Squamous carcinoma	Medical
Adult Services	Medical
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Ambulatory Surgery	Medical
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antisense	Medical
antiserum	Medical
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Access System	Military and Defence
Acquisition Strategy	Military and Defence
All Source	Military and Defence
Authorization Subsystem	Military and Defence
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Assault Support	Military and Defence
As Stated	Military and Defence
Faadc2i Simplified Handheld Terminal Unit	Military and Defence
Anti-submarine	Military and Defence
Assault Shotgun	Military and Defence
Analog Secure	Military and Defence
Appliance Server	Networking
Application Server	Networking
Add Subnet	Networking
Australian Standards	Regional
Australian Or Samo	Regional
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