Sökning: "lenses"
Visar resultat 11 - 15 av 155 avhandlingar innehållade ordet lenses.
11. Malpositioned and dislocated intraocular lenses : management, complications and surgical repositioning
Sammanfattning : Cataract surgery (exchange of the non-transparent crystalline lens with an IOL) is the most frequent surgery in Sweden, accounting for more than 130000 surgeries per year. Therefore, complications associated with cataract surgery affect a significant number of patients. LÄS MER
12. Body Image in Adolescence: Through the Lenses of Culture, Gender, and Positive Psychology
Sammanfattning : Adolescents’ body image (i.e., feelings and thoughts about their body and appearance) is central to their health and wellbeing. This thesis, which examined adolescents’ body image, comprised two parts. LÄS MER
13. Long-term results of phakic refractive lenses (PRL) for correction of myopia and hyperopia
Sammanfattning : The phakic refractive lens (PRL) is a silicone lens implanted into the posterior chamber to correct myopia and hyperopia. At the beginning of 2002, when the PRL was introduced at St. LÄS MER
14. Study of High Efficiency Phase-Only Diffractive Optical Elements
Sammanfattning : This work deals with the design, simulation, manufacture, and evaluation of diffractive optical elements. Particularly, kinoforms and diffractive bifocal intraocular lenses are studied. Evaluation of kinoforms, i.e. LÄS MER
15. A multi-prism lens for hard X-Rays
Sammanfattning : This thesis describes a new type of refractive lens for hardx-rays. It is shown that a linear array of prisms, slightlyinclined with respect to the optical axis, will form a linefocus at a certain distance from the lens. Hence, the namemulti-prism lens. LÄS MER