* Recent polymer soaking solution additives designed to keep the lens moist over time have made some headway, but a new approach is needed to optimize the polymer-surface-solution to achieve the next breakthrough in comfort. [http://www.optvissci.com/pt/re/ovs/abstract.00006324-200704000-00021.htm;jsessionid=G46XKGdQHxJRyMKZDVt532XkGkWLkvQw2LPYXgTq1MmghnNkvhSM!2112021004!181195629!8091!-1 Source]
* Ophthonix has raised $35.1 million in "Series D" financing for its vision correcting products/lenses. [http://www.interwest.com/news/releases-portfolio/pr_121406_ophthonix.html Source]
* Cooper vision in 2005
announed its plans to introduce a two week continous wear re-usable silicon hydrogel lens. ----
===Patent Search Strategy===
'''Search scope:''' US Granted US Applications EP-A EP-B WO JP (bibliographic data only) DE-C,B DE-A DE-T DE-U GB-A FR-A; Full patent spec.<br>
Text: (((Silicone and hydrogel) or SiHy or siloxane) and (contact adj1 lens*))<br>
'''Number of records:''' 1686 records<br>
===IP Trends over publication years===
[[Image:IP_trend.jpg|thumb|center|1000 px|IP Trends]]
===Technology mapping parameters===
* The technology mapping parameters are based on general study of the silicon hydrogel lens technology.
* These parameters are used as guidelines when studying patent information. The patent information analyzed is then classified into each of these parameters, which in turn provides guidelines of research trends over time and competitor focus areas.
[[Image:SiHy contact lens1.jpg|thumb|center|800 px| Taxonomy]]