Results 31 to 40 of about 2,407,097 (160)

Evaluation of the microstructure of cornea by in vivo confocal microscopy in contact lens wearing and non-contact lens wearing keratoconus patients

, 2010
Purpose: To compare the microstructure of the central keratoconic cornea in contact lens wearing and non-contact lens wearing keratoconus ...
Yilmaz, Senay, Bilgin, Lale Kozer, Yeniad, Baris, Baris Yeniad, Lale Kozer Bilgin, Senay Yilmaz   +5 more
core   +1 more source

Profile and Visual Outcome of Patients having Keratoconus Attending Tertiary Eye Hospital, Nepal

Journal of Nobel Medical College
Background: Keratoconus is a bilateral, asymmetric, chronic, progressive ectasia of the cornea in which patients experience distorted vision that is usually treated with rigid contact lenses when spectacles no longer provide adequate vision.
Pankaj Ray Adhikari, Nirmala Chaudhary, Rajiv Ranjan Karn   +2 more
doaj   +1 more source

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

, 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, Ava-Gaye Simms, Jianhua Wang, Fang, Min, Ross Franklin, Franklin, Ross, Zohra Fadli, Wang, Jianhua, Hong Jiang, Jiang, Hong, Simms, Ava-Gaye, Fadli, Zohra   +11 more
core   +1 more source

Ocular higher-order aberrations and axial eye growth in young Hong Kong children

Scientific Reports, 2018
This retrospective longitudinal analysis aimed to investigate the association between ocular higher-order aberrations (HOAs) and axial eye growth in Hong Kong children.
Jason K. Lau, Stephen J. Vincent, Michael J. Collins, Sin-Wan Cheung, Pauline Cho   +4 more
doaj   +1 more source

Clinical Performance and Patient Satisfaction of Hybrid Contact Lenses in Patients with Keratoconus

Türk Oftalmoloji Dergisi, 2023
Objectives:The aim of the study was to evaluate the fitting process, clinical performance, and patient satisfaction of hybrid contact lenses (HCL) in patients with keratoconus (KC).Materials and Methods:Sixty-eight KC patients (35 female, 33 male) who ...
Aydogdy Serdarov, Banu Bozkurt, Yalçın Karaküçük, Süleyman Okudan   +3 more
doaj   +1 more source

Corneal erosions in contact lens wear

, 2012
Contact lens wear continues to be the highest single risk factor for microbial keratitis, particularly when worn in the extended wear modality. For microbial keratitis to occur, the presence of at least a bacterial load as well as a break in the corneal ...
Eric Papas, Brien Holden, Papas, E, Maria Markoulli, Markoulli, M, Cole, N, Holden, B, Nerida Cole   +7 more
core   +1 more source

Relationship of Peripapillary Retinal Perfusion with Peripapillary Retinal Nerve Fiber Layer Thickness in Diabetes Mellitus Patients without Diabetic Retinopathy

IJRETINA (International Journal of Retina), 2021
Introduction: Impaired blood flow is an early sign of retinal dysfunction in diabetes. Impaired blood flow of the radial peripapillary capillaries can affect the Retinal Nerve Fiber Layer (RNFL) or ganglion cell function.
Sindi Dwijayanti, Irawati Irfani, Susanti Natalya Sirait, Elsa Gustianty, Erwin Iskandar, R. Angga Kartiwa   +5 more
doaj   +1 more source

Contact Lens Use Advice–Risks and Outcomes: Are Patients Drowning in Information but Starved for Knowledge?

Türk Oftalmoloji Dergisi, 2023
Objectives:Microbial keratitis can cause significant visual morbidity and is a common reason for presentation to eye casualty clinics. Contact lens wear and poor contact lens hygiene significantly increase the risk of corneal infection.
Michael Tsatsos, Ioannis Athanasiadis, Cheryl MacGregor, Suresh Kumar Sharma, David Anderson, Parwez Hossain   +5 more
doaj   +1 more source

Scleral contact lens thickness profiles: The relationship between average and centre lens thickness

, 2019
Purpose To develop a methodology to reliably determine the thickness profile of scleral contact lenses and examine the relationship between the centre and average lens thickness for a range of lens designs and back vertex powers.
David Alonso-Caneiro, Stephen J. Vincent, Alonso-Caneiro, David, Henry Kricancic, Michael J. Collins, Kricancic, Henry, Vincent, Stephen J, Collins, Michael J   +7 more
core   +1 more source

Self-Assembly of Zinc Oxide Photonic Crystals in Viscous Liquids: Synthesis, Characterization, and Application to Colored Contact Lenses

Photonics
Structural color is a kind of natural color that widely exists in nature. The ordered microstructure of nano materials can absorb or reflect light of specific wavelength, thus showing colorful colors. Structural color is an ideal choice for color contact
Shuwen Hou, Zichen Pan, Lin Zhao, Xue-Lian Han, Quan-Xi Zhang, Shou-Nian Ding   +5 more
doaj   +1 more source