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Correction to: Microplastic contamination in commercial eyedrop products: detection and characterization study
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Microplastic contamination in commercial eyedrop products: detection and characterization study
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This study detected microplastics in 81% of 21 commercial eyedrop products tested in Malaysia, with polystyrene being the dominant polymer and lubricant eyedrops showing the highest contamination levels. Researchers estimate that lubricant eyedrop users in Malaysia may collectively be exposed to up to 2.7 million microplastic particles daily, highlighting an overlooked route of direct human ocular exposure.
Detection and characterization of microplastics in commercial eye drops: A novel ocular exposure pathway
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Researchers tested commercial eye drop products for microplastic contamination using multiple analytical methods and found microplastics present in all tested brands. The particles were mostly smaller than 100 micrometers and composed primarily of PVC, polyethylene, and polypropylene, identifying eye drops as a previously unrecognized route of direct ocular microplastic exposure.
Microplastic Pollution In Eye Drops: Investigating Microplastic Contamination In Disposable And Multi-Use Artificial Tears
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Researchers investigated whether disposable and multi-use artificial tear eye drops contain microplastic contamination, raising concerns about direct ocular exposure to plastic particles through a product applied directly to the eye.
Microplastic entry into the ocular surface through eye drops usage
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Researchers detected microplastics in commercial eye drops and on the ocular surfaces of human volunteers, then confirmed in rat experiments that these particles can penetrate the eye, enter the bloodstream, elevate oxidative stress, and trigger ocular inflammation — identifying eye drops as a previously overlooked microplastic exposure route.
Microplastics identified in commercial over-the-counter lubricant eyedrops
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Researchers conducted extensive quantification of microplastic contamination in commercial over-the-counter lubricant eyedrops, finding MPs in multiple product brands at concentrations suggesting direct ocular exposure with each application. The study identified a previously unrecognized route of microplastic exposure with potential implications for eye health.
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