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Tests and diagnosis
By Mayo Clinic staffTests and procedures used to determine the cause of your dry eyes may include:
- Measuring the volume of your tears. Your doctor may measure your tear production using the Schirmer tear test. In this test, blotting strips of paper are placed under your lower eyelids. After five minutes your doctor measures the amount of strip soaked by your tears.
- Determining the quality of your tears. Other tests use special dyes in eyedrops to determine the surface condition of your eyes. Your doctor looks for staining patterns on the cornea and measures how long it takes before your tears evaporate.
References
- Tu EY, et al. Dry eye. In: Yanoff M, et al. Ophthalmology. 3rd ed. Philadelphia, Pa.: Mosby; 2008. http://www.mdconsult.com/das/book/body/199400089-5/0/1869/0.html. Accessed May 10, 2010.
- Dry-eye syndrome. In: Ehlers JP, et al. The Wills Eye Manual: Office and Emergency Room Diagnosis and Treatment of Eye Disease. 5th ed. Philadelphia, Pa.: Wolters Kluwer Health Lippincott Williams & Wilkins; 2008. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&NEWS=N&PAGE=booktext&D=books&AN=01337416/5th_Edition/3&XPATH=/OVIDBOOK%5b1%5d/METADATA%5b1%5d/TBY%5b1%5d/EDITORS%5b1%5d. Accessed May 10, 2010.
- Facts about dry eye. National Eye Institute. http://www.nei.nih.gov/health/dryeye/dryeye.asp. Accessed May 10, 2010.
- Dry eye syndrome. American Academy of Ophthalmology. http://one.aao.org/asset.axd?id=be593214-34af-4073-ab93-2bccbdf62aae. Accessed May 10, 2010.
- Care of the patient with ocular surface disorders. St. Louis, Mo.: American Optometric Association. http://www.aoa.org/documents/CPG-10.pdf. Accessed May 10, 2010.
- Lacrisert (prescribing information). Lawrenceville, N.J.: Acton Pharma Inc; 2007. http://www.accessdata.fda.gov/drugsatfda_docs/label/2008/018771s017lbl.pdf. Accessed May 11, 2010.
- Cakiner-Egilmez TT. Omega 3 fatty acids and the eye. Insight. 2008;33:20.
- Heart-healthy eating: Omega-3 fatty acids. ADA Nutrition Care Manual. http://nutritioncaremanual.org/index.cfm. Accessed May 13, 2010.
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