Thirty patients were randomised to receive one of six lens implants including three aspheric lenses and their spherical counterparts. Pre and postoperative testing was carried out including visual ...
Camera lenses are often described as being 'aspherical', but what does it mean, and is it the only way to design a lens? A lot of lenses are spherical, though. What we mean by “spherical” is usually ...
Applying aspheric treatments to cataract and refractive surgery procedures can significantly reduce spherical aberration and the consequent effects of glare and haloes, improving postoperative visual ...
Total, corneal, and internal aberrations were measured using ray-tracing technology in 23 eyes implanted with aspheric (Tecnis ZA9003) IOLs, and in 25 eyes implanted with spherical (AcrySof SA60AT) ...
John A. Hovanesian, MD, FACS: Today we are speaking with Dr. George Beiko, who is in private practice in St. Catharines in Ontario. Dr. Beiko, thanks for joining us. George Beiko, BM, BCh, FRCSC: ...
Shanghai Optics is a leading manufacturer of custom Aspheric Lenses. We are experienced in achieving high precision quality Aspheric Lenses with different glass types such as CDGM, Hoya, Ohara, and ...
A significant benefit of the aspherical lens is its ability to perform spherical aberration correction.Spherical aberrations are produced by using a spherical surface to focus or align light.Therefore ...
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