Objective:To study the characteristics of the intraocular lens using ion beam sputtering depositing titanium nitride thin film on the intraocular lens(IOLs).Methods:To deposite titanium nitride thin film on the top of...Objective:To study the characteristics of the intraocular lens using ion beam sputtering depositing titanium nitride thin film on the intraocular lens(IOLs).Methods:To deposite titanium nitride thin film on the top of intraocular lens by ion beam sputtering depositing.We analyzed the surface morphology of intraocular lens through SEM and AFM.We detected intraocular lens resolution through the measurement of intraocular lens.Biocompatibility of intraocular lens is preliminary evaluated in this test.Results:The surface morphology of intraocular lens material was not changed,and was in line with the requirements of smoothness.Resolution was in line with national requirements.Unmodified and modified IOLs's cytotoxicity were 1 and 0.6 grade respectively.Hemolytic rates of modified and unmodified were both less than 5%.Conclusion:Ion beam sputtering deposition of objects didn't only affect the surface morphology and the basic optical performance,but also can enhance the biocompatibility of intraocular lens.Ion beam sputtering deposition technique has provided new methods for the surface modification of IOLs and PMMA materials.展开更多
文摘Objective:To study the characteristics of the intraocular lens using ion beam sputtering depositing titanium nitride thin film on the intraocular lens(IOLs).Methods:To deposite titanium nitride thin film on the top of intraocular lens by ion beam sputtering depositing.We analyzed the surface morphology of intraocular lens through SEM and AFM.We detected intraocular lens resolution through the measurement of intraocular lens.Biocompatibility of intraocular lens is preliminary evaluated in this test.Results:The surface morphology of intraocular lens material was not changed,and was in line with the requirements of smoothness.Resolution was in line with national requirements.Unmodified and modified IOLs's cytotoxicity were 1 and 0.6 grade respectively.Hemolytic rates of modified and unmodified were both less than 5%.Conclusion:Ion beam sputtering deposition of objects didn't only affect the surface morphology and the basic optical performance,but also can enhance the biocompatibility of intraocular lens.Ion beam sputtering deposition technique has provided new methods for the surface modification of IOLs and PMMA materials.
