Results 121 to 130 of about 15,957 (233)

Helpful hints for contact lens laboratory [PDF]

open access: yes
Currently there is a large number of types of contact lenses. In addition to the now classic rigid (PMMA) lenses and hydrogel lenses, the emergence of rigid gas-permeable lenses has expanded the fitting options for practitioners.
Macapagal, Larry K., Sianghio, Leyden E.
core   +1 more source

Rigid Gas Permeable Contact Lens Can Reduce the Progression of Myopia?

open access: yesJournal of Ophthalmology & Clinical Research, 2020
Introduction: Myopia is a global issue though prevalence varies from country to country but a huge number of people suffer from complications of myopia. It is a multifactorial disorder and there is no know way to prevent the development of myopia, but lots of research is ongoing to prevent the progression of myopia and RGP contact lens is one the ...
openaire   +1 more source

The Berkeley Contact Lens Extended Wear Study. Part II : Clinical results. [PDF]

open access: yes, 2001
ObjectiveTo describe the principal clinical outcomes associated with 12 months use of rigid gas-permeable (RGP) extended wear contact lenses and address two primary study questions: (1) does extended wear (EW) of high oxygen transmissibility (Dk/t) RGP ...
Chan, JS   +8 more
core   +1 more source

High Dk piggyback contact lens system for contact lens-intolerant keratoconus patients

open access: yesClinical Ophthalmology, 2011
Tomris Sengor, Sevda Aydin Kurna, Suat Aki, Yelda ÖzkurtFatih Sultan Mehmet Training and Research Hospital, Istanbul, TurkeyBackground: The aim of the study was to examine the clinical success of high Dk (oxygen permeability) piggyback contact ...
Tomris Sengor   +3 more
doaj  

A clinical evaluation of a new rigid gas permeable multi-purpose, multi-action solution by Alcon among flurosilicone and silicone acrylate rigid gas permeable contact lens wearers [PDF]

open access: yes
Alcon has obtained FDA clearance for a multi-purpose solution for the care of rigid gas permeable contact lenses. In this study, sixteen subjects, all present rigid gas permeable contact lens wearers, participated in a three-month study of the multi ...
Ali, Syed Asif, Booth, Loretta Marie
core   +1 more source

Conjunctival epithelial flap in continuous contact lens wear. [PDF]

open access: yes, 2009
PurposeComposed of sheets of cells detached from the underlying conjunctiva, conjunctival epithelial flap (CEF) is a recently reported phenomenon associated with contact lens wear with potential consequences for ocular health.
Graham, Andrew D   +2 more
core  

Contact lens trends among Wyoming Optometrists [PDF]

open access: yes
Wyoming Optometrists were polled concerning contact lens preferences, advantages - disadvantages of different lens types, and brand preferences for gas permeable, and soft contact lenses.
Jensen, Clark A
core   +1 more source

A pilot study on the influence of biomechanical properties of the cornea on short-term response to myopic corneal refractive therapy [PDF]

open access: yes, 2008
The authors state that they do not have any proprietary interest in the products named in this article.To study the short-term corneal response to corneal refractive therapy for myopia and correlate it with corneal biomechanical properties as measured ...
González-Méijome, José Manuel   +4 more
core  

Conjunctival impression cytology in contact lens wearers.

open access: yesIndian Journal of Ophthalmology, 2002
PURPOSE: To evaluate the cytological changes in conjunctiva following regular contact lens wear and to determine the correlation, if any, between severity of cytological alteration and symptoms related to contact lens wear.
Simon Priya   +3 more
doaj  

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