It is common that most high level security officers and personal bodyguards are always in dark sun glasses. They may not be in any official attires but you can easily tell them by the dark glasses they have.
Here are some of the reasons why bodyguards and security officers prefer dark sunglasses;
To conceal identity
Dark sunglasses will help them to conceal their real identity. It is easy to tell and remember a person by their eyes. Having these sunglasses will help the bodyguards to remain unknown by many.
Black sunglasses avoid misleading attacks.
The security officers and bodyguards always keep their eyes across the entire area where their client is. The dark sunglasses will help them do their inspection without an possible attacker knowing which direction they are looking at.
To hide emotion.
Bodyguards and security personnels are always on alert and it is hard to see them express their emotions. However, having the dark sunglasses also helps them in concealing their emotions. If you express your emotions to a possible enemy, they may use it to attack you.
To protect their eyes
Black specks shield the eye from dust, flying insects, and direct sunshine. Apart from that, it allows the eye to see clearly even through cracks, which is why army soldiers are given special glasses to wear during missions.
A guard can see beyond any color constraints with the use of black specks, as well as blink less and keep an eye open for a longer amount of time. Black specks shield the eye from dust, flying insects, and direct sunshine. Apart from that, it allows the eye to see clearly even through cracks, which is why army soldiers are given special glasses to wear during missions.