| Abstract [eng] |
Contact lenses have long no longer news. Their material and design development is constantly changing, as newer technology improves and previous contact lenses constantly evolving. Not surprisingly, the lenses are increasingly replacing glasses and medical staff including - it does not interfere, not cause aberrations, are comfortable in most situations. This work has studied the effects of X-ray radiation to the contact lens optical properties. Three different types of lenses: spherical, astigmatic and multifocal lenses were used in this study. Contact lenses transmittance and absorbance were investigated by UV-VIS spectrometer before exposure and after X-ray exposure. We also verified the change in optical properties of the lens during storage in glucose solution (5%). The results show, that X-ray irradiation change contact lenses optical properties. Transmittance of contact - lens after exposure by X-ray was – decreased. Dose response curve of contact lenses was used for dose estimation. Also, results showed that changes in the characteristics of optical lenses is also affected by storage conditions. |
