By Lucio Buratto MD, Stephen Brint MD, Domenico Boccuzzi MD
Cataract surgical procedure and Intraocular Lenses provide a close assessment of intraocular lenses, because the number of the IOL to be implanted is a severe aspect within the sufferer choice and surgical practise, and accordingly resulting in the main optimum sufferer results.
Dr. Lucio Buratto, Dr. Stephen Brint, and Dr. Domenico Boccuzzi current the newest details at the so much complicated diagnostic strategies and surgical judgements for IOL choice and implantation.
Cataract surgical procedure and Intraocular Lenses covers a large choice of themes, together with monofocal IOLs, multifocal IOLs, accommodative IOLs, injectors and implantation of foldable IOLs, tear or harm of the IOL, and viscoelastic substances.
Supplemented via greater than 2 hundred colour illustrations, diagrams, a word list, and references, all surgeons from newbie to professional will wish this specified source by way of their part.
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Additional resources for Cataract Surgery and Intraocular Lenses
This type of lens consisted of polymers with heat-mechanical properties: it was a combination of 2-hydroxyethyl methacrylate (HEMA) and methacrylate (the monomer in PMMA) crosslinked with ethylene glycol dimethacrylate (EGDMA). Ultraviolet (UV) chromophores were integrated in its structure as 4-methacryloxy 2-hydroxy benzophenone (MOBP). The material was then hydrated to 20%. This type of lens had to be stored, folded, at a temperature of 8°C before use. When injected into the eye, it unfolded slowly to return to its original shape after around 10 to 15 minutes at body temperature.
0 mm and designed with a posterior square edge. The real innovative feature of the lens is the shape of the haptics. ” The end portion consists of 2 flexible offshoots that extend in a radial and longitudinal direction. These have the objective of allowing the contraction movements of the capsular bag without transmitting the movement to the central optic. This leads to excellent long-lasting stability and centration, even with asymmetric retraction (Figure 6-9). For this type of lens, the maximum diameter of the haptics is also variable, and is based on the dioptric power of the lens.
PHARMACIA CEEON FOLDABLE LENS The IOL produced by Pharmacia CeeOn was a foldable lens with a silicone optic and PMMA haptics. This lens had the advantages of the memory form of PMMA and the theoretical disadvantages of the silicone elastomers (compared to the more recently developed foldable lenses). Moreover, there was poor compatibility between the YAG and silicone (Figure 4-6). STORZ HYDROVIEW LENS The Storz Hydroview Lens was a foldable hydrogel lens produced by Storz Ophthalmic. The hydrated optic of this lens was a copolymer of HEMA and 6-hydroxy-hexylmethacrylate (HOHEXMA).
Cataract Surgery and Intraocular Lenses by Lucio Buratto MD, Stephen Brint MD, Domenico Boccuzzi MD