Albinos exist much longer already .

白化品种已经存在更长的时间。

Albinos usually have a weak eyesight . They need special glasses which protect their retina .

白化病人的视力通常较弱（译注：畏光），他们需要特殊的眼镜来保护视网膜。

Many albinos say they 're victims of prejudice .

许多白化病患者说，他们的偏见的受害者。

About a hundred of the mutant cats , which are not albinos , are believed to exist .

有大约一百只变种猫科动物并不认为是白化变异，而相信是真正存在的品种。

The white lions are not albinos but are the result of a rare genetic mutation unique to this area of the world .

白狮不是白化变种，而是这个地区一种独有的基因转变。