Navigation Links
Link Between Eye Infections and Contact Lens Use Exposed

A recent research has found that the use of a specific contact lens solution is very strongly linked to Acanthamoeba keratitis (AK), a rare severe eye infection.

The study, by University of Illinois researchers, has been published online by the American Journal of Ophthalmology.

AK is an often severe, aching infection of the cornea that normally causes corneal scarring and at times blindness.

"We began to look for possible contact lens-related causes for the sharp increase in cases, all in contact lens wearers, in this previously rare infection. In the last three and half years we have seen 63 cases of the infections, compared to the two or three cases a year we would normally expect to see," said Charlotte Joslin, assistant professor of ophthalmology and visual sciences at UIC and principle investigator in the study.

In their study, the researchers compared 38 AK patients with 100 controls, all of whom were UIC clinic patients between 2003 and 2006. In addition to this, all participants were asked to fill out a survey.

Survey questions centred on the six-month period previous to symptoms and targeted three areas: water exposure; contact lens hygiene, including solutions and lens types; and other habits associated with contact lens use. Participants were provided with colour images of the contact lens solution bottles to help them remember what type they had used.

Among soft contact lens wearers, participants with AK were considerably more likely to report having exclusively used AMO Complete Moisture Plus than the control group (55.2 percent vs. 10.5 percent).

"The results correlated with previously published laboratory studies that showed that Acanthamoeba is largely resistant to contact lens solutions in general and to Complete MoisturePlus in particular," said Dr. Elmer Tu, associate professor of clinical ophthalmology, who is also involved with the study.
In their voluntary recall, the company highlighted that there is no proof to advocate that todays voluntary recall is related to a product contamination issue.

The researchers also found a statistically fragile association between three other contact lens use factors and infection: reusing solution, rubbing the lenses when cleaning them, and showering with lenses on.

"Showering can scatter water-borne microbes into a mist and increase exposure to the microbe that causes the infection," said Joslin. Reusing solutions and not rubbing lens when cleaning and storing them could also result in more exposure to the microbe.

Since these factors are linked to an augmented probability of infection and this is the second very recent outbreak of a tremendously rare eye infection, the researchers stress that it is important to look for supplementary causes behind the occurrence of this infection and to assess whether changes in the water supply may be contributing to this increase in disease.

For example, Joslin said, recent Environmental Protection Agency regulations that reduce the levels of disinfectant in the water supply may have led to an enhance in the microbial load that contact lens solutions must kill in order to avert disease.

"Our results demonstrate that the use of AMO Complete MoisturePlus Multi-Purpose Solution is strongly associated with AK disease -- but it was not a factor in nearly 40 percent of cases," Joslin said.


Related medicine news :

1. Link Between Infection And Heart Disease
2. Prescription Drug Use Varies Widely Between States
3. Wait Between Pregnancies
4. Link Between Migraines and Behavioral Disorders
5. Link Between Obesity and Behavior in Kids
6. Link Between Mothers Depression and Violence in Children
7. Link Between Alcohol and Decrease in Brain Size
8. Link Between Musculoskeletal Pain and Vitamin D Deficiency
9. Link Between Hyperglycemia & Hospital Mortality
10. Link Between Alcohol Consumption And Cardiovascular Disease
11. Understanding The Link Between Hormone Replacement and Respiratory Disease
Post Your Comments:

(Date:6/27/2016)... , ... June 27, 2016 , ... ... edge technology to revolutionize the emergency ambulance transport experience for the millions of ... of how Uber has disrupted the taxi industry through the use of technology. ...
(Date:6/26/2016)... ... , ... PawPaws brand pet supplements owned by Whole Health Supply ... health of felines. The formula is all-natural and is made from Chinese herbs that ... Cat Kidney Support Supplement Soft Chews are Astragalus Root Extract and Rehmannia Root ...
(Date:6/25/2016)... ... 25, 2016 , ... The temporary closing of Bruton Memorial Library on June 21 due to ... a new, often overlooked aspect of head lice: the parasite’s ability to live away from ... common occurrence, but a necessary one in the event that lice have simply gotten out ...
(Date:6/25/2016)... ... June 25, 2016 , ... On Friday, June 10, Van Mitchell, Secretary ... Work award to iHire in recognition of their exemplary accomplishments in worksite health promotion. ... Maryland Workplace Health & Wellness Symposium at the BWI Marriott in Linthicum Heights. iHire ...
(Date:6/24/2016)... ... ... crisis. Her son James, eight, was out of control. Prone to extreme mood shifts and ... him, he couldn’t control his emotions,” remembers Marcy. “If there was a knife on ... say he was going to kill them. If we were driving on the freeway, ...
Breaking Medicine News(10 mins):
(Date:6/23/2016)... , June 23, 2016 Research ... "Pharmaceutical Excipients Market by Type (Organic Chemical (Sugar, Petrochemical, ... (Oral, Topical, Coating, Parenteral) - Global Forecast to 2021" ... The global pharmaceutical excipients market is ... a CAGR of 6.1% in the forecast period 2016 ...
(Date:6/23/2016)... DUBLIN , June 23, 2016 ... "Key Pharma News Issue 52" report to their offering. ... need in influenza treatment creates a favourable commercial environment for ... and growing patient base that will serve to drive considerable ... flu vaccine would serve to cap sales considerably, but development ...
(Date:6/23/2016)... , June 23, 2016 Revolutionary ... Oticon , industry leaders in advanced audiology ... of Oticon Opn ™, the world,s first internet ... possibilities for IoT devices.      (Photo: ... introduces a number of ,world firsts,: , ...
Breaking Medicine Technology: