PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It sometimes occurs after certain types of eye surgery, such as cataract surgery.SymptomsAstigmatism makes it difficult to see fine details, either close up or from a distance.Signs and testsAstigmatism is easily diagnosed by a standard eye exam with refraction test.
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  • stelizabeth.com