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Des archologues ont dcouvert  Rome des instruments dextraction de la cataracte remontant aux premier et deuxime sicles de notre re.   <p> <font size = 3><b><font color = orange>Dans la Rome antique</font></font></b>, on utilisait des aiguilles creuses pour briser la cataracte et lextraire par succion.   lheure actuelle, la principale technique dextraction de la cataracte est la phacomulsification.  Cette technique consiste  introduire dans loeil une petite aiguille creuse appele phacomulsificateur,  pulvriser le cristallin au moyen dultrasons et  aspirer les dbris.  <p> <font size = 3><b><font color = orange>Les lentilles intraoculaires synthtiques</font></font></b> taient inconnues des chirurgiens de la Rome antique, de sorte que la vision des oprs de lAntiquit restait trs floue. Heureusement, dimmenses progrs ont t raliss depuis, en particulier durant la deuxime moiti du 20e sicle <p> <font size = 3><b><font color = orange>Lopration de la cataracte</font></font></b> a fait un pas de gant en 1949 lorsque le mdecin anglais Harold Ridley a mis au point, et implant, la premire lentille intraoculaire.  Ralise en plexiglas, un plastique dur, cette LIO tait conue pour imiter le cristallin humain.  <p> <font size = 3><b><font color = orange>Aujourdhui</font></font></b>, les matriaux de LIO les plus utiliss sont le poly[mthacrylate de mthyle] (PMMA), la silicone et AcrySof<sup><font size = 1>MD</sup></font>.  AcrySof est un acrylique pliable, le premier  avoir t conu spcifiquement pour des lentilles intraoculaires.</FONT> <BR><br><img src="http://a1020.g.akamai.net/7/1020/2226/5472601571f31e/www.alconlabs.com/images/dot_clear.gif" height=10 width=1 border=0><br>     <!-- ****************************************** 	Title_e2 	Title_e5 	Title_e7 ****************************************** --> <p> <p> <!-- ****************************************** 	Text_e1 	List_e1 	List_e2 	List_e3 	List_e4 	List_e5 ?? ****************************************** -->      <!-- ****************************************** 	Title_e2 	Title_e5 	Title_e7 ****************************************** --> <p> <p> <!-- ****************************************** 	Text_e1 	List_e1 	List_e2 	List_e3 	List_e4 	List_e5 ?? ****************************************** -->      <!-- ****************************************** 	Title_e2 	Title_e5 	Title_e7 ****************************************** --> <p> <p> <!-- ****************************************** 	Text_e1 	List_e1 	List_e2 	List_e3 	List_e4 	List_e5 ?? ****************************************** -->      <!-- ****************************************** 	Title_e2 	Title_e5 	Title_e7 ****************************************** --> <p> <p> <!-- ****************************************** 	Text_e1 	List_e1 	List_e2 	List_e3 	List_e4 	List_e5 ?? ****************************************** -->    </td>     <!--*********START RIGHT TABLE CELL********-->   <td width=40>&nbsp; </td> <td width=131 valign="top"> <!-- ****************************************** 	Image_e1 	Image_e2 	Image_e3 ****************************************** --> <CENTER><IMG SRC="http://a1020.g.akamai.net/7/1020/2226/ed1c7a9680dfcd/www.alconlabs.com/media2/ca_fr/aj/Products/Acrysof/SinglePieceAcrySof_125x150.jpg"      ALT=" La lentille intraoculaire AcrySof monopice "      ALIGN=NONE border=0 width="125" height="150"></CENTER> <br><img src="http://a1020.g.akamai.net/7/1020/2226/5472601571f31e/www.alconlabs.com/images/dot_clear.gif" height=10 width=1 border=0><br><p>   <!-- ****************************************** 		Text_e3 		Image_e1 		Image_e2 		Image_e3 ****************************************** --> </td>  </tr>   <!--********Body Section Ends***********-->  <!-- ****************************************** 	REPEAT BODY SECTIONS HERE ****************************************** -->    <tr> <td width=10> </td> <td colspan=3>  <center> <table border=0 align="center" width=350> <tr> <td align="center"> <!-- ****************************************** 	More_e1  The wording of the hypertext link is  determined by the user. ****************************************** -->  <a href = "/ca_fr/eo/surgery/cataracte.jhtml"> <CENTER><FONT SIZE="-1" FACE="ARIAL">Retournez &agrave; l'index cataracte</FONT></CENTER></a> <br><img src="http://a1020.g.akamai.net/7/1020/2226/5472601571f31e/www.alconlabs.com/images/dot_clear.gif" height=10 width=1 border=0><br> </td> </tr> </table> </center>  </td> </tr>            </table>       </TD>     </TR> 	<TR> 		<TD COLSPAN=14> 			<IMG SRC="http://a1020.g.akamai.net/7/1020/2226/532499b0f522fd/www.alconlabs.com/images/ca_fr/Consumer/CnBotRule.gif" WIDTH=760 HEIGHT=26></TD> 	</TR> 	<TR> 		<TD COLSPAN=2> 			<IMG SRC="http://a1020.g.akamai.net/7/1020/2226/44fdd36d29a7f2/www.alconlabs.com/images/ca_fr/Consumer/CnTagLftCAFR.gif" WIDTH=138 HEIGHT=21></TD>      <TD COLSPAN=10> <IMG SRC="http://a1020.g.akamai.net/7/1020/2226/5f9a76ea62d048/www.alconlabs.com/images/ca_fr/Consumer/CnTagCAFR.gif" WIDTH=484 HEIGHT=21 ALT="Une compagnie mondiale de soins de sant&eacute;...Chef de file en produits de soins oculaires."></TD> 		<TD COLSPAN=2> 			<IMG SRC="http://a1020.g.akamai.net/7/1020/2226/905a6f0804758d/www.alconlabs.com/images/ca_fr/Consumer/CnTagRtCAFR.gif" WIDTH=138 HEIGHT=21></TD> 	</TR> 	<TR> 		<TD COLSPAN=14 BGCOLOR=#FFFFFF>       <TABLE WIDTH="760" BORDER="0" CELLSPACING="0" CELLPADDING="8">         <TR>           <TD>             <DIV ALIGN="CENTER"><A HREF="/ca_fr/eo/terms.jhtml"><IMG SRC="http://a1020.g.akamai.net/7/1020/2226/b438d89208d8e7/www.alconlabs.com/images/ca_fr/CopyrightCAFR.gif" WIDTH="475" HEIGHT="31" ALT="avertissement et politique de confidentialit&eacute;" BORDER="0"></a></DIV>           </TD>         </TR>       </TABLE>     </TD> 	</TR> </TABLE> </BODY> </HTML> 
