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PubMed Journals Articles About "Global Ophthalmic Lens Market Spectacle Contact Type Usage" RSS

15:08 EDT 22nd June 2018 | BioPortfolio

Global Ophthalmic Lens Market Spectacle Contact Type Usage PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Global Ophthalmic Lens Market Spectacle Contact Type Usage articles that have been published worldwide.

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Showing "Global Ophthalmic Lens Market Spectacle Contact Type Usage" PubMed Articles 1–25 of 20,000+

Spectacle Glasses - an Overview.

This paper will give some support to choose the right spectacle lens. The question "what is the proper spectacle lens" cannot be answered exactly, the answer depends on many parameters. Depending on the visual task, the right spectacle lens is a compromise between lens properties. These properties are pointed out in the paper.


A comprehensive review on contact lens for ophthalmic drug delivery.

With the prevalence of electronic devices and an aging population, the number of people affected with eye disease is increasing year by year. In spite of a large number of eye drops on the market, most of them do not perform sufficiently, due to rapid clearance mechanisms and ocular barriers. To enhance drug delivery to the eye, a number of novel formulations for ocular diseases have been investigated over recent decades, aiming to increase drug retention and permeation while also allowing for sustained dru...

Review of Contact Lens-Related Complications.

The purpose of this article is to provide a review of existing literature describing complications with contemporary contact lenses and their management. It is envisioned that this will serve as a useful summary of noninfectious and infectious complications associated with contact lens wear.


Through-focus optical characteristics of monofocal and bifocal soft contact lenses across the peripheral visual field.

To characterise the impact of monofocal soft contact lens (SCL) and bifocal SCLs on refractive error, depth of focus (DoF) and orientation of blur in the peripheral visual field.

Safety and efficacy following 10-years of overnight orthokeratology for myopia control.

To compare rates of myopia progression and adverse events between orthokeratology (OK) and soft contact lens (SCL) wearers over a 10-year period in schoolchildren.

Mechanical Properties of Contact Lens Materials.

To evaluate the mechanical properties of commonly available soft contact lens materials and compare results using custom-built MicroTensometer.

Effect of the Rigid Gas-Permeable Contact Lens Use on the Endothelial Cells in Patients With Keratoconus.

To compare the changes in the corneal endothelial cells of both the patients with keratoconus who use rigid gas-permeable (RGP) contact lens and who do not use any contact lens with healthy population.

Addenda to paper entitled: An appraisal of the optics of the hydrodiascope.

Evaluation of the Effect of Moist Chamber Spectacles in Patients With Dry Eye Exposed to Adverse Environment Conditions.

To evaluate the effect of moist chamber spectacle wear on the ocular surface and tear functions in a controlled wind exposure environment.

Optimized Protocol for Testing Multipurpose Contact Lens Solution Efficacy Against Acanthamoeba.

To evaluate the interlaboratory and intralaboratory reproducibility of a proposed protocol for multipurpose contact lens solution (MPS) disinfection efficacy against Acanthamoeba.

Orthokeratology and Contact Lens Quality of Life Questionnaire (OCL-QoL).

To develop a quality of life (QoL) instrument for patients fitted with Orthokeratology (OrthoK) and other modalities of contact lenses.

Exposure to Tap Water Puts a Contact Lens Wearer at Greater Risk of Exposure to Acanthamoeba.

The Effect of Denatured Lysozyme on Human Corneal Epithelial Cells.

During contact lens wear, the amount of lysozyme deposited on contact lenses varies depending on the lens material. The binding of lysozyme to some contact lens materials may result in a conformational change that denatures the protein to an inactive form. This investigation evaluated the effect that denatured lysozyme has on human corneal epithelial cells (HCECs) by measuring cell viability and the release of inflammatory cytokines.

Are Contact Lens Discomfort or Soft Contact Lens Material Properties Associated with Alterations in the Corneal Sub-Basal Nerve Plexus?

To study whether contact lens (CL) discomfort and some properties of soft CL materials are associated with alterations in the nerve fibers morphology and density of dendritic cells of the corneal sub-basal nerve plexus.

Nictitating membrane fixation improves stability of the contact lens on the animal corneal surface.

We evaluated the feasibility and safety of nictitating membrane fixation to address reduced contact lens stability by the nictitating membrane in a rabbit model. Under general anesthesia, twelve animals received a horizontal mattress suture between the nictitating membrane and the upper eyelid of one eye. To assess the effects of this technique and secondary side effects, contact lens stability test, Schirmer tear test, tear break-up time measurement, eye tissue pathology and morphology were evaluated. Cont...

Bacterial Coaggregation and Cohesion Among Isolates From Contact Lens Cases.

The aim of this study was to examine cohesion, coaggregation, and coculture between bacteria commonly isolated from contact lens cases.

Diagnostic Challenges in Nocardia Keratitis.

To present a case of diagnostic confusion in Nocardia keratitis in a contact lens wearer and to illustrate the characteristic clinical findings of this rare entity.

Effect of a contact lens for in vivo mouse retinal imaging: Effective focal length changes and monochromatic aberrations.

For in vivo mouse retinal imaging, especially with Adaptive Optics instruments, application of a contact lens is desirable, as it allows maintenance of cornea hydration and helps to prevent cataract formation during lengthy imaging sessions. However, since the refractive elements of the eye (cornea and lens) serve as the objective for most in vivo retinal imaging systems, the use of a contact lens, even with 0 Dpt. refractive power, can alter the system's optical properties. In this investigation we examine...

Effects of the rigid gas permeable contact lense use on tear and ocular surface among keratoconus patients.

To investigate changes in tear and ocular surface of patients with keratoconus using rigid gas permeable contact lenses (RGPCL) and compare them against keratoconus patients who were not using lenses as well as a control group of healthy subjects.

Tap Water and Risk of Acanthamoeba Keratitis in Rigid Gas-Permeable Lens Wearers: Sacred Cow or Culprit?

Contact lenses as a migraine trigger.

We aimed to investigate the relationship between contact lens (CL) usage and migraine attacks. Our patient who began using CL with different base curves experienced discomfort and burning of the eyes. The ocular complaints were followed by migraine attacks. The frequency of migraine attacks decreased significantly when the flatter base curve was selected. We assessed the potential causal relationship between CL and migraine.

Tear film secretion and stability in welders.

Welders are prone to ocular injuries and ocular surface problems due to exposure to ultraviolet light. The aim of this study was to evaluate the tear film comprehensively and assess objective and subjective indices of dry eye in welders.

Experimental investigation of accommodation in eyes fit with multifocal contact lenses using a clinical auto-refractor.

Multifocal or multi-zone contact lenses are increasingly being fit to young eyes in an attempt to control myopia progression. However, success in achieving this aim may depend on how much the eye accommodates. The purpose of the current work was to evaluate the ability of an open-field clinical autorefractor to measure on-axis refractive state and accommodation in eyes fit with multifocal contact lenses (CLs).

A Novel Anti-Spoofing Solution for Iris Recognition Toward Cosmetic Contact Lens Attack Using Spectral ICA Analysis.

In this study, we maneuvered a dual-band spectral imaging system to capture an iridal image from a cosmetic-contact-lens-wearing subject. By using the independent component analysis to separate individual spectral primitives, we successfully distinguished the natural iris texture from the cosmetic contact lens (CCL) pattern, and restored the genuine iris patterns from the CCL-polluted image. Based on a database containing 200 test image pairs from 20 CCL-wearing subjects as the proof of concept, the recogni...

Co-delivery of timolol and hyaluronic acid from semi-circular ring-implanted contact lenses for the treatment of glaucoma: in vitro and in vivo evaluation.

Glaucoma is a chronic disease, which is currently treated using frequent high dose applications of an eye drop solution; this method is tedious, and most of patients are non-compliant to it. Contact lenses are emerging as a convenient option to sustain the release of ophthalmic drugs. However, the incorporation of a drug/formulation changes the optical and physical properties of contact lenses. Contact lens users have also reported pink eye syndrome; this makes contact lenses unsuitable to be accepted as a ...


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