| abstract |
One of the purposes of the present invention is to provide a compound which is a polymerizable monomer having a specific number of silicon atoms and a specific number of fluorine atoms, which has a higher purity, is suitable as an ophthalmic monomer, is well compatible with another (meth)acryl monomer, and provides a polymer having excellent hydrophilicity, anti-staining property and durability of mechanical strength, and to provide a method for preparing the compound. The present invention provides a compound represented by the following formula (1).n n Further, the present invention provides a method for preparing the compound, a polymer having repeating units derived from the aforesaid compound and an ophthalmic device composed of the polymer. |