Contact lens induced papillary conjunctivitis (CLPC) was first reporte translation - Contact lens induced papillary conjunctivitis (CLPC) was first reporte Indonesian how to say

Contact lens induced papillary conj

Contact lens induced papillary conjunctivitis (CLPC) was first reported by Spring in 19741.The incidence of CLPC varies greatly by lens type and wearing modality and has been reported anywhere from 1.5 to 47.5%. The incidence dropped from 36% to 4.5% in a retrospective study performed by Porazinski and Donshik by refitting patients that were replacing lenses greater than every 4 weeks with lenses replaced every 1 day to 3 weeks.
With the increased use of silicone hydrogel lenses for extended wear4 there has been an increase in inflammatory reactions in the eye, including CLPC2,. The pro-inflammatory changes that occur on the ocular surface when wearing extended wear lenses are secondary to tear stagnation, localized pressure, and a closed eye environment producing a subclinical
inflammatory state coupled with frictional rubbing of the lens on the upper palpebral
conjunctiva.
Contact lens dropout related to discomfort has received attention in the recent literature.
During daily and extended wear, one of the leading causes of discomfort and discontinuation is CLPC. CLPC does not cause permanent damage but leads to increased lens movement and awareness, itching and mucous discharge and may require the patient to discontinue contact lens wear until the condition clears.
CLPC can present as either a local reaction or a generalized state where papillae are
enlarged and spread across the entire palpebral conjunctiva2,8. Local CLPC is defined when
the papillae are confined to at most 2 sections of the upper tarsal plate. Although it is unclear what causes CLPC, it has been hypothesized that local CLPC is caused by mechanical trauma, while general CLPC is caused by an immunological response to bio-deposits that accumulate on patients’ contact lenses 4,8. Local papillae have been found to develop in an area of protruding sutures or corneal ulcers8,9,10 or in response to the lens’ edge2 rubbing against upper palpebral conjunctiva indicating that constant contact with a stimulus can cause such localized response. Silicone hydrogel lenses which have a higher modulus of elasticity compared to their low Dk counterparts are thought to contribute to such mechanical trauma associated with local CLPC2,11,12. Alternatively, Skotnitsky and colleagues found that patients wearing aspheric lenses appear to suffer from local CLPC less than those wearing spherical lenses because the aspheric lens better mimics the shape of the cornea2. In another study, Skotnitsky et al also noted that contact lens wearers suffering from allergies are more prone to develop general CLPC during allergy season9 because of the involvement of Type 1 hypersensitivity, and Zhao et al. discovered a higher level of IgE present in the tears of patients with diagnosed CLPC. Bio-deposits with exposure of the upper lid to allergens that are found on the contact lens surface could be the initiating factor and as a result a CLPC immunologic or hypersensitivity reaction occurs4. In fact, in the days of thermal disinfection, general CLPC was thought to be related to denatured proteins on the lens surface secondary to the heat disinfection process.
The Longitudinal Analysis of Silicone Hydrogel (LASH) Contact Lens study was a prospective cohort study that included 205 subjects wearing lotrafilcon A lenses for up to 30 days of continuous wear and followed for 12 months. The most common reason for dropout from the study was the development of CLPC. Bacterial lens contamination was found to be associated with a 4-8 fold increase in risk for the development of corneal inflammatory events. Contact lens bacterial bioburden may be considered one form of a bio-deposit that leads to a clinically evident or subclinical inflammatory response on the ocular surface. Currently, there is no published literature exploring the potential connection between bioburden and CLPC yet the link is biologically plausible. Additionally, in previous studies,the lens to cornea fitting relationship as a risk factor for CLPC has not been explored in detail. The LASH Study assessed corneal topography and lens microbial contamination in detail and thus this cohort affords an opportunity to study these risk factors for CLPC development during SH lens continuous wear. Therefore, in this analysis, topographically determined lens fitting relationships and bacterial lens contamination are the primary covariates assessed for an association with contact lens induced papillary conjunctivitis.
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Contact lens induced papillary conjunctivitis (CLPC) was first reported by Spring in 19741.The incidence of CLPC varies greatly by lens type and wearing modality and has been reported anywhere from 1.5 to 47.5%. The incidence dropped from 36% to 4.5% in a retrospective study performed by Porazinski and Donshik by refitting patients that were replacing lenses greater than every 4 weeks with lenses replaced every 1 day to 3 weeks.With the increased use of silicone hydrogel lenses for extended wear4 there has been an increase in inflammatory reactions in the eye, including CLPC2,. The pro-inflammatory changes that occur on the ocular surface when wearing extended wear lenses are secondary to tear stagnation, localized pressure, and a closed eye environment producing a subclinicalinflammatory state coupled with frictional rubbing of the lens on the upper palpebralconjunctiva.Contact lens dropout related to discomfort has received attention in the recent literature.During daily and extended wear, one of the leading causes of discomfort and discontinuation is CLPC. CLPC does not cause permanent damage but leads to increased lens movement and awareness, itching and mucous discharge and may require the patient to discontinue contact lens wear until the condition clears.CLPC can present as either a local reaction or a generalized state where papillae areenlarged and spread across the entire palpebral conjunctiva2,8. Local CLPC is defined whenthe papillae are confined to at most 2 sections of the upper tarsal plate. Although it is unclear what causes CLPC, it has been hypothesized that local CLPC is caused by mechanical trauma, while general CLPC is caused by an immunological response to bio-deposits that accumulate on patients’ contact lenses 4,8. Local papillae have been found to develop in an area of protruding sutures or corneal ulcers8,9,10 or in response to the lens’ edge2 rubbing against upper palpebral conjunctiva indicating that constant contact with a stimulus can cause such localized response. Silicone hydrogel lenses which have a higher modulus of elasticity compared to their low Dk counterparts are thought to contribute to such mechanical trauma associated with local CLPC2,11,12. Alternatively, Skotnitsky and colleagues found that patients wearing aspheric lenses appear to suffer from local CLPC less than those wearing spherical lenses because the aspheric lens better mimics the shape of the cornea2. In another study, Skotnitsky et al also noted that contact lens wearers suffering from allergies are more prone to develop general CLPC during allergy season9 because of the involvement of Type 1 hypersensitivity, and Zhao et al. discovered a higher level of IgE present in the tears of patients with diagnosed CLPC. Bio-deposits with exposure of the upper lid to allergens that are found on the contact lens surface could be the initiating factor and as a result a CLPC immunologic or hypersensitivity reaction occurs4. In fact, in the days of thermal disinfection, general CLPC was thought to be related to denatured proteins on the lens surface secondary to the heat disinfection process.The Longitudinal Analysis of Silicone Hydrogel (LASH) Contact Lens study was a prospective cohort study that included 205 subjects wearing lotrafilcon A lenses for up to 30 days of continuous wear and followed for 12 months. The most common reason for dropout from the study was the development of CLPC. Bacterial lens contamination was found to be associated with a 4-8 fold increase in risk for the development of corneal inflammatory events. Contact lens bacterial bioburden may be considered one form of a bio-deposit that leads to a clinically evident or subclinical inflammatory response on the ocular surface. Currently, there is no published literature exploring the potential connection between bioburden and CLPC yet the link is biologically plausible. Additionally, in previous studies,the lens to cornea fitting relationship as a risk factor for CLPC has not been explored in detail. The LASH Study assessed corneal topography and lens microbial contamination in detail and thus this cohort affords an opportunity to study these risk factors for CLPC development during SH lens continuous wear. Therefore, in this analysis, topographically determined lens fitting relationships and bacterial lens contamination are the primary covariates assessed for an association with contact lens induced papillary conjunctivitis.
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Lensa kontak diinduksi konjungtivitis papiler (CLPC) pertama kali dilaporkan oleh musim semi di 19741.The kejadian CLPC bervariasi menurut jenis lensa dan mengenakan modalitas dan telah dilaporkan di mana saja 1,5-47,5%. Insiden turun dari 36% menjadi 4,5% dalam studi retrospektif yang dilakukan oleh Porazinski dan Donshik oleh refitting pasien yang mengganti lensa lebih besar dari setiap 4 minggu dengan lensa diganti setiap 1 hari sampai 3 minggu.
Dengan meningkatnya penggunaan lensa hidrogel silikon untuk diperpanjang wear4 telah terjadi peningkatan reaksi inflamasi pada mata, termasuk CLPC2 ,. Perubahan pro-inflamasi yang terjadi pada permukaan mata saat mengenakan lensa memakai diperpanjang sekunder untuk merobek stagnasi, tekanan lokal, dan lingkungan mata tertutup menghasilkan subklinis
negara inflamasi ditambah dengan menggosok gesekan lensa pada palpebra atas
konjungtiva.
lensa kontak putus sekolah terkait dengan ketidaknyamanan telah mendapat perhatian dalam literatur baru-baru ini.
Selama sehari-hari dan diperpanjang pakai, salah satu penyebab utama ketidaknyamanan dan penghentian adalah CLPC. CLPC tidak menyebabkan kerusakan permanen tetapi mengarah ke gerakan peningkatan lensa dan kesadaran, gatal dan debit lendir dan mungkin memerlukan pasien untuk menghentikan kontak memakai lensa sampai kondisi membersihkan.
CLPC dapat hadir baik sebagai reaksi lokal atau keadaan umum di mana papila yang
diperbesar dan tersebar di seluruh palpebra conjunctiva2,8. CLPC lokal didefinisikan ketika
papila yang terbatas untuk paling banyak 2 bagian dari pelat tarsal atas. Meskipun tidak jelas apa yang menyebabkan CLPC, telah dihipotesiskan bahwa CLPC lokal disebabkan oleh trauma mekanik, sementara umum CLPC disebabkan oleh respon imunologi untuk bio-deposito yang menumpuk pada lensa kontak pasien 4,8. Papila lokal telah ditemukan untuk mengembangkan di daerah menonjol jahitan atau ulcers8,9,10 kornea atau dalam menanggapi lensa edge2 'bergesekan palpebra konjungtiva atas menunjukkan bahwa kontak konstan dengan stimulus yang dapat menyebabkan respon lokal tersebut. Lensa silikon hidrogel yang memiliki modulus elastisitas yang lebih tinggi dibandingkan dengan rekan-rekan mereka yang rendah Dk diduga berkontribusi trauma mekanis seperti terkait dengan CLPC2,11,12 lokal. Atau, Skotnitsky dan rekan menemukan bahwa pasien memakai lensa aspheric tampaknya menderita CLPC lokal kurang dari mereka memakai lensa bulat karena meniru lensa aspheric baik bentuk cornea2 tersebut. Dalam studi lain, Skotnitsky et al juga mencatat bahwa pemakai lensa kontak menderita alergi lebih rentan untuk mengembangkan umum CLPC selama alergi season9 karena keterlibatan Tipe 1 hipersensitivitas, dan Zhao et al. menemukan tingkat yang lebih tinggi dari IgE hadir dalam air mata pasien dengan didiagnosis CLPC. Bio-deposito dengan paparan dari tutup atas untuk alergen yang ditemukan pada permukaan lensa kontak bisa menjadi faktor memulai dan sebagai hasilnya suatu CLPC imunologi atau reaksi hipersensitivitas occurs4. Bahkan, pada hari-hari desinfeksi termal, umum CLPC diduga terkait dengan protein terdenaturasi pada permukaan lensa sekunder untuk proses desinfeksi panas.
The Longitudinal Analisis studi Silicone Hydrogel (Lash) Lensa Kontak adalah penelitian kohort prospektif yang mencakup 205 subyek memakai lensa lotrafilcon A hingga 30 hari memakai terus menerus dan diikuti selama 12 bulan. Alasan paling umum untuk putus sekolah dari penelitian ini adalah pengembangan CLPC. Kontaminasi lensa bakteri ditemukan terkait dengan peningkatan 4-8 kali lipat risiko untuk pengembangan peristiwa inflamasi kornea. Lensa kontak bioburden bakteri dapat dianggap salah satu bentuk dari bio-deposit yang mengarah ke respon inflamasi terbukti secara klinis atau subklinis pada permukaan mata. Sastra saat ini, tidak ada diterbitkan mengeksplorasi hubungan potensial antara beban biologis dan CLPC belum link secara biologis masuk akal. Selain itu, dalam studi sebelumnya, lensa untuk kornea hubungan pas sebagai faktor risiko untuk CLPC belum dieksplorasi secara detail. The LASH Studi dinilai kornea topografi dan lensa mikroba kontaminasi secara rinci dan dengan demikian kelompok ini memberi kesempatan untuk mempelajari faktor-faktor risiko untuk pengembangan CLPC selama lensa SH memakai terus menerus. Lensa hubungan pas Oleh karena itu, dalam analisis ini, topografi ditentukan dan kontaminasi bakteri lensa adalah kovariat utama dinilai untuk hubungan dengan lensa kontak yang disebabkan konjungtivitis papiler.
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