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U.S. Department of Health and Human Services

Premarket Approval (PMA)

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Note: This medical device record is a PMA supplement. A supplement may have changed the device description/function or indication from that approved in the original PMA. Be sure to look at the original PMA record for more information.
Generic Nameexcimer laser system
ApplicantNIDEK CO., LTD.
34-14 maehama, hiroishi-cho
gamagori, aichi 443-0-0038
PMA NumberP970053
Supplement NumberS001
Date Received02/16/1999
Decision Date09/29/1999
Product Code LZS 
Docket Number 00M-1664
Notice Date 12/13/2000
Advisory Committee Ophthalmic
Supplement Typepanel track
Supplement Reason labeling change - indications/instructions/shelf life/tradename
Expedited Review Granted? No
Combination ProductNo
Approval Order Statement  
Approval for the Nidek EC-5000 Excimer Laser System for Photorefractive Keratectomy for Moderate Myopia with Astigmatism. This device is intended for use in: 1) the reduction or elimination of myopia with astigmatism raning in severity from -1.00 to -8.00 diopters (D), in terms of manifest refraction spherical equivalent (MRSE), with refractive astigmatism ranging in severity from -0.5 to -4.00 D cylinder by manifest refraction; due to cylinder coupling effects on sphere, the lower range of the intended use must be restricted in a step-wise fashion. A nomogram lookup table is provided for specific treatment combinations. 2) patients who have a stable history of both pretreatment myopic astigmatism (i.e., magnitude of change in manifest refraction of <0.5D per year in terms of MRSE for at least one year proceeding treatment) and pretreatment astigmatism (i.e., a magnitude of change of <0.5D per year in cylinder for at least one year preceding treatment); and 3) patients who are over 21 years of age.
Approval OrderApproval Order
SummarySummary of Safety and Effectiveness