Results 11 to 20 of about 2,494,174 (257)

BCLA CLEAR - Contact lens complications [PDF]

open access: yes, 2021
Contact lens-related complications are common, affecting around one third of wearers, although most are mild and easily managed. Contact lenses have well-defined anatomical and physiological effects on the ocular surface and can result in other ...
Ajay Kumar Vijay   +22 more
core   +1 more source

International survey of rigid contact lens fitting

open access: yes, 2013
Purpose\ud \ud To determine the extent of rigid contact lens fitting worldwide and to characterize the associated demographics and fitting patterns.\ud \ud Methods\ud \ud Survey forms were sent to contact lens fitters in up to 40 countries between ...
Morgan, Philip B.   +3 more
core   +2 more sources

An international survey of daily disposable contact lens prescribing

open access: yes, 2013
Free to read\ud \ud Purpose\ud \ud The aim was to determine the extent of daily disposable contact lens prescribing worldwide and to characterise the associated demographics and fitting patterns.\ud \ud Methods\ud \ud Up to 1,000 survey forms were sent ...
Morgan, Philip B.   +3 more
core   +2 more sources

Associations Between Lid Wiper Microvascular Responses, Lens Fit, and Comfort After One Day of Contact Lens Adaptation by Neophytes

open access: yes, 2022
To determine associations between lid wiper microvascular responses, lens fit, and comfort after 1 day of contact lens adaptation by neophytes. Functional slitlamp biomicroscopy was used to image the microvascular network of the upper tarsal conjunctiva,
Min Fang   +11 more
core   +1 more source

Effectiveness of toric soft contact lenses for vision correction in patients with different degrees of astigmatism: a real-world study [PDF]

open access: yesInternational Journal of Ophthalmology, 2023
AIM: To assess the visual correction of patients with different degrees of astigmatism with toric soft contact lenses (TSC). METHODS: It was a real-world study with prospective and single-arm design.
Guo-Yun Zhang   +5 more
doaj   +1 more source

Contact lens in keratoconus

open access: yesIndian Journal of Ophthalmology, 2013
Contact lenses are required for the visual improvement in patients with keratoconus. Various contact lens options, such as rigid gas permeable (RGP) lenses, soft and soft toric lenses, piggy back contact lenses (PBCL), hybrid lenses and scleral lenses ...
Varsha M Rathi   +2 more
doaj   +1 more source

Clinical application of rigid gas permeable contact lens in 5 infants and toddlers after cataract surgery

open access: yes陆军军医大学学报, 2023
Objective To investigate the safety, effectiveness and fitting method of rigid gas permeable (RGP) contact lens after cataract surgery in infants and toddlers.
ZHOU Chao, YAN Binxian, CHEN Li
doaj   +1 more source

Scleral Contact Lenses

open access: yesDelhi Journal of Ophthalmology, 2013
Contact lenses are classified on the basis of the bearing zone area as Corneal, Corneo-scleral and Scleral lenses. Scleral lenses are large in diameter (18 - 23mm) and have a bearing completely on sclera.
Nidhi Gupta, Minal Kaur, Abhilek
doaj   +1 more source

Could contact lens dryness discomfort symptoms sometimes have a neuropathic basis?

open access: yesEye and Vision, 2021
Symptoms of dryness discomfort in soft contact lens wearers frequently lead to discontinuation from wear. The negative influence of pre-fitting tear dysfunctions appears likely to be exacerbated by the challenges to tear homeostasis caused by contact ...
Charles W. McMonnies
doaj   +1 more source

General modulation transfer function fitting equation for human eye with contact lens

open access: yesKuwait Journal of Science, 2021
In this research, a general equation was derived to represent the modulation transfer function (MTF) of the human eye with the presence of the contact lenses (CL) and during the vision with monochrome or multi-wavelength (polychromatic) light.
Faten Shakor Zainulabdeen   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy