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Seawater - Swimming Pools

Important considerations after Lasik, All-Laser Lasik, PRK, LASEK, Epi-Lasik, CK, RLE, and P-IOL


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Swimming pools and natural bodies of water contain many contaminants that are dangerous to eyes healing from refractive surgery.

 

Seawater is full of active and inert organisms that would be of no positive value if they were to permeate a cornea compromised by refractive surgery. All refractive surgery techniques including  conventional or wavefront Lasik, All-Laser Lasik, PRK, LASEK, Epi-Lasik, NearVision CK, and RLE will require protection from such contaminated environments for a period of time. Swimming, skiing, scuba diving, surfing, even sailing can all contaminate the eyes. Swimming pools, although chlorinated, can cause problems with eyes healing from refractive surgery too.

PRK, LASEK, and Epi-Lasik disrupt the epithelial layer of the cornea, making it more susceptible to infection. For these types of refractive surgery, staying out of seawater for at least 4 weeks or as otherwise instructed by your doctor would be wise.

Conventional or custom wavefront Lasik and All-Laser Lasik have a flap of corneal tissue that is less disruptive to the epithelium, but creates an interface where foreign particles may lodge. The outer edge of the Lasik flap seals within about 2-3 weeks.

Lens based procedures such as RLE and P-IOL require incisions through the cornea into the eye and are significantly more susceptible to problems than the surface ablation techniques of PRK, LASEK, and Epi-Lasik, or the flap techniques of Lasik and All-Laser Lasik. For this reason, seawater exposure should probably be limited for at least 8-12 weeks.

Although CK uses a probe to enter the cornea, the likelihood of organisms being able to breach this tiny hole after 2 weeks is very small, so waiting about that amount of time would seem reasonable.

In all cases, any sort of postoperative problem may require significantly more time away from seawater or similar environments. Before putting your eyes in anything that is not sterile, consult your doctor.

Wavefront or conventional ablation will make no difference regarding how long one must be out of seawater or chlorinated pools. That means that you need to be out of seawater and pool water just as long if you have wavefront or if you have conventional ablation.

If you are ready to choose a doctor to be evaluated for conventional or custom wavefront Lasik, All-Laser Lasik, PRK, LASEK, Epi-Lasik, NearVision CK, RLE, or any refractive surgery procedure, we highly recommend you consider a doctor who has been evaluated and certified by the USAEyes nonprofit organization. Locate a USAEyes Evaluated & Certified Lasik Laser Eye Surgery Doctor.

If this article did not fully answer your questions, use our free Ask Lasik Expert patient forum.


Current Lasik Medical Journal News...

Impact of batch, repeated-batch (with cell recycle and medium replacement) and continuous processes on the course and efficiency of aerobic thermophilic biodegradation of potato processing wastewater.

Related Articles

Impact of batch, repeated-batch (with cell recycle and medium replacement) and continuous processes on the course and efficiency of aerobic thermophilic biodegradation of potato processing wastewater.

Bioresour Technol. 2010 May;101(10):3444-51

Authors: Lasik M, Nowak J, Krzywonos M, Cibis E

The aim of the study was to assess the course and efficiency of aerobic thermophilic treatment of a high-strength (COD=35gO(2)/l) effluent from potato processing. A comparative analysis was conducted of the treatment effects achieved using batch, repeated-batch (with cell recycle and medium replacement) and continuous treatment operations. The analysis consisted in (1) examining the extent of removal for the major parameters of the wastewater: COD, TOC, TN and TP (chemical oxygen demand, total organic carbon, total nitrogen and total phosphorus), and (2) determining the impact of oxygen deficit on the formation and assimilation of organic acids in the course of the three treatment operations. When use was made of the repeated-batch operation, the values of the COD and TOC removal rates were more than twice as high as those obtained with the continuous process, and more than five times as high as those obtained with the batch process.

PMID: 20074937 [PubMed - indexed for MEDLINE]

 

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Last updated Monday, April 12, 2010

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