In some special occasion in the public place, he is taken the picture of wearing the glasses. Maybe he is just wearing the glasses to match with the whole look. He is cool with the pair of eyeglasses. Wearing the glasses, he will bring the fashionable and cool character to people.
I can't agree with you more that Hugh Laurie is a unique and brilliant actor, musician, author, comedian and charming guy. Besides, he doesn't have a vision problem. After taking a full-scale and deep search for his pictures and some activities he attended online, I found out that he hardly ever wear glasses even in his daily life, except for wearing a kind of full frame glasses several times. It's a plano glasses with black and slim frame in square shape, which makes him gentler as well as natty. The glasses in this style are so usual that you can get online easily. There are many chain stores on the internet offer you various types and reasonable prices. amazon, ebay, as well as walmart are good choices for you. Thanks.
He is definitely a cool guy, and I have seen him on a tabloid with a cool sunglasses, and I happened to know the glasses belongs to D&G,a newly launched one.
You can see that it's easy for them to look cool, because they are easily to get the most fashionable stuff. If you want to buy a pair of sunglasses which are similar to one of his, I mean, it's definitely that they has so many choice.
You can buy them online, such like ebay and amazon.