Covering one eye with their hand when having their picture taken is a pose commonly known as the "winking" or "hand-over-eye" gesture. There can be various reasons why people do this:
Playfulness: Some people do it to add a playful or flirtatious element to the photo. It can be seen as a fun and lighthearted way to pose for the camera, suggesting a sense of humor or a carefree attitude.
Style and creativity: Many individuals use this pose to stand out in their photos, adding an artistic or fashionable touch. It can create a unique look and make the photo more visually interesting.
Nervousness: In some cases, people may feel a bit self-conscious or uncomfortable in front of the camera. Covering one eye can be a way to hide a part of their face, giving them a sense of comfort and security.
Mystery and intrigue: Covering one eye can create an air of mystery or intrigue in the photo. It might give the impression of a hidden or secretive personality, which can be appealing to some individuals.
Mimicking celebrities or influencers: Sometimes, people copy poses they see popular figures doing in photos. If a famous person or influencer has used this pose, it might become a trend that others follow.
Eye sensitivity or squinting: Occasionally, people may cover one eye if they have sensitive eyes to bright light or if they tend to squint when they smile. This can help them avoid squinting and improve their comfort during the photo session.
Ultimately, the reasons for adopting this pose can vary from person to person. Some may do it for fun and creativity, while others might do it out of habit or to address personal preferences or insecurities. It's just one of many photo poses people adopt to express themselves and create memorable images.