目=眼，但“目光” is not the same with“眼光” 目光-- is related with sight, physically 眼光-- means the taste everybody could have 目光（except the blindman), a few people could have 眼光 examples： 他灼热的目光燃烧了她的心。（He must have been staring her for a long time.^_^) 巴菲特买了这只股票真是有眼光。（He might have the magic to know the future.^_^) btw, 你的目光高吗？should be 你的眼光高吗？（眼光高=picky）

You see your girlfriend, you need "目光. " You marry your girlfriend, you need to "眼光. "

“眼光”是一种观察事物的能力or观点,通常也指一个人的品味，比如说：“诶！你眼光不错！(hey!you have a good taste!)”意思就是这个人品味好。 “目光”一般是指眼睛的一种神色or抱负&志向,成语“目光远大(be far-sighted)”the meaning is a person's opinions and theory as high and great. PS:我的目光so so;)

目光是眼睛所传达的一种信息，一般带有感情色彩，比如，你的目光很柔和。眼光是一种感觉，每个人的性格和所处环境不同，看待事物的角度也不同，比如，你买了一件奇异的衣服，我说你的眼光很独特。

眼光&目光： 1.They both means line of sight seeing something and ability observing something. 2.When 目光 means ability observing something,it is often used literarily and set-phrases or Chinese idioms.In these phrases 眼光 can not replace 目光. ex.目光短浅，目光远大，目光如炬...and so on. 3.When 眼光 means ability observing something,it is used to express not only the concrete objects but also the abstract objects.Whereas 目光 can not be used to express the abstract objects. ex.他看问题很有眼光。 你很有眼光，这件衣服很漂亮。 他对投资很有眼光。 Note：In these sentences,目光 can not replace 眼光. 4.眼光 has an idea of viewpoint,but 目光 hasn't. ex.别总是用老眼光看人。 5.目光 has the meaning of expression in eyes, but 眼光 hasn't. ex.他的目光炯炯有神。 6.So according to 3 in my opinion ,your "你的目光高吗？"is not correct.It should be你的眼光高吗？