Contact lens materials: a materials science perspective
CSA Musgrave, F Fang - Materials, 2019 - mdpi.com
More is demanded from ophthalmic treatments using contact lenses, which are currently
used by over 125 million people around the world. Improving the material of contact lenses …
used by over 125 million people around the world. Improving the material of contact lenses …
Liquid crystal lenses with tunable focal length
Lenses with tunable focal length play important roles in nature by helping species avoid
predators and capture prey. Many practical devices mimic lens concept for imaging, sensing …
predators and capture prey. Many practical devices mimic lens concept for imaging, sensing …
Recent advances in adaptive liquid crystal lenses
JF Algorri, DC Zografopoulos, V Urruchi… - Crystals, 2019 - mdpi.com
An adaptive-focus lens is a device that is capable of tuning its focal length by means of an
external stimulus. Numerous techniques for the demonstration of such devices have been …
external stimulus. Numerous techniques for the demonstration of such devices have been …
Ferroelectric nematogens containing a methylthio group
G Stepanafas, E Cruickshank, S Brown… - Materials …, 2024 - pubs.rsc.org
The synthesis and characterisation of eight nematogens containing a terminal methylthio
group is reported. The compounds are based on RM734 and differ in the number and …
group is reported. The compounds are based on RM734 and differ in the number and …
Electrically tunable polymer stabilized chiral ferroelectric nematic liquid crystal microlenses
Tunable optical lenses are in great demand in modern technologies ranging from
augmented and virtual reality to sensing and detection. In this work, electrically tunable …
augmented and virtual reality to sensing and detection. In this work, electrically tunable …
Switchable liquid crystal contact lenses for the correction of presbyopia
Presbyopia is an age-related disorder where the lens of the eye hardens so that focusing on
near objects becomes increasingly difficult. This complaint affects everyone over the age of …
near objects becomes increasingly difficult. This complaint affects everyone over the age of …
Electrically tunable gradient-index lenses via liquid crystals: beyond the power law
YH Lin, WC Cheng, V Reshetnyak, HH Huang… - Optics …, 2023 - opg.optica.org
In this study we present an investigation of electrically tunable progressive lenses utilizing
liquid crystals (LC). We introduce a polarized progressive LC lens capable of dynamically …
liquid crystals (LC). We introduce a polarized progressive LC lens capable of dynamically …
Augmented reality with image registration, vision correction and sunlight readability via liquid crystal devices
Augmented reality (AR), which use computer-aided projected information to augment our
sense, has important impact on human life, especially for the elder people. However, there …
sense, has important impact on human life, especially for the elder people. However, there …
Method and apparatus for ophthalmic devices comprising dielectrics and liquid crystal polymer networks
RB Pugh, FA Flitsch, A Toner, JD Riall… - US Patent …, 2016 - Google Patents
The present invention relates to methods and apparatus for providing a variable optic insert
into an ophthalmic lens. The variable optic insert may have surfaces within that have dif …
into an ophthalmic lens. The variable optic insert may have surfaces within that have dif …
Method and apparatus for ophthalmic devices including shaped liquid crystal polymer networked regions of liquid crystal
RB Pugh, FA Flitsch, A Toner, JD Riall… - US Patent …, 2016 - Google Patents
The present invention relates to methods and apparatus for providing a variable optic insert
into an ophthalmic lens. The variable optic insert may have surfaces within that have …
into an ophthalmic lens. The variable optic insert may have surfaces within that have …