2016
DOI: 10.5935/0034-7280.20160051
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Contact lenses as drug controlled release systems: a narrative review

Abstract: Topically applied therapy is the most common way to treat ocular diseases, however given the anatomical and physiological constraints of the eye, frequent dosing is required with possible repercussions in terms of RESUMOA forma mais frequente de aplicação terapêutica em oftalmologia consiste na instilação de gotas oculares, mas dadas as limitações anatómicas e fisiológicas do olho, é necessária dosagem frequente com possível repercussão na adesão do paciente à terapêutica. Nas últimas décadas, as lentes de con… Show more

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Cited by 14 publications
(15 citation statements)
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References 64 publications
(84 reference statements)
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“…CL technology has advanced at a rapid pace in various innovative directions, including as drug delivery systems [204,205], delivery of antimicrobial agent [206], biosensors [199,200], and electronic displays [199,207]. These technologies will certainly substantially benefit the ocular wound care arena in the short term.…”
Section: Bandage Contact Lenses and Prefabricated Patchesmentioning
confidence: 99%
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“…CL technology has advanced at a rapid pace in various innovative directions, including as drug delivery systems [204,205], delivery of antimicrobial agent [206], biosensors [199,200], and electronic displays [199,207]. These technologies will certainly substantially benefit the ocular wound care arena in the short term.…”
Section: Bandage Contact Lenses and Prefabricated Patchesmentioning
confidence: 99%
“…topical delivery using eye drops), such as: low efficiency patient noncompliance, and poor ocular drug bioavailability (less than 5%) [208]. Several groups have attempted to develop CLs for drug delivery applications using different strategies such as drug soaking [204,209,210], using vitamin E as a diffusion barrier [211][212][213][214], NP laden CLs (Lipid-based and polymers) [215][216][217][218][219], molecular imprinting [80,[220][221][222], and layer-by-layer platforms [223,224]. For instance, Carreira et al developed a novel bandage CL made from PVA and chitosan and incorporated with vancomycin using a "soak and release" technique to prevent inflammation after corneal substitution [225].…”
Section: Bandage Contact Lenses and Prefabricated Patchesmentioning
confidence: 99%
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“…However, this strategy usually leads to a rapid release of the drug and an initial burst [39]. Several approaches can be used to improve the release behavior, e.g., incorporation into the polymer matrix of ligands or functional monomers with special affinity for the drug, drug-loaded nanoparticles that release the drug in a controlled manner, molecules which act as diffusion barriers to the drug molecules (e.g., vitamin E) or surfactants that interact with the drugs [40][41][42][43].…”
Section: Introductionmentioning
confidence: 99%