Singer-actress IU has revealed that she experienced corneal pain during the filming of her movie, "Dream."

Recently, a video titled "Director So-min's Dream, Running for 3 Years for the Goal of Release" was uploaded to the YouTube channel 'EDAM Entertainment.'

In the video, IU captured the cheerful atmosphere on the set of "Dream" as she filmed her fellow actors taking a break. IU said, "I can't tell if this is a movie set or a weekend soccer field. Even during breaks, everyone keeps playing soccer. They all have incredible stamina."

When asked if it was difficult to play the role of 'So-min' after two years, IU responded, "A few days ago, our team gathered and watched the preview again. We did a reading too. So, I'm getting back into the groove. We have two or three more shooting sessions in Korea, and then we'll head to Hungary."

While continuing her filming marathon in Hungary, IU was asked about her condition on the third day of shooting. She replied, "I'm not sure. It's complicated. My mental condition is good. My eyes hurt a bit. My head is clear, but my legs hurt, my face is dry, but my expression is bright, and I feel much better than I had worried."

She added, "(At the shooting site) the laughter never stops, and the atmosphere itself is much better than when we filmed in Korea." However, IU also expressed the pain she felt due to the strong ultraviolet rays in Hungary.

IU said, "My eyes hurt so much. The sun is so strong that I think I've damaged my cornea a bit. I just found out why people say to bring sunglasses when going abroad." She continued, "It's so painful. The sun is really strong. If I'm not careful, I feel like I could become a completely different person in just a week."

Meanwhile, "Dream" is a film about a clueless former soccer player Hong Dae (played by Park Seo-joon) and a passionless PD So-min (played by IU) who challenge an impossible dream together with a group of homeless national team players. The movie is directed by Lee Byung-heon, who has directed films such as "Twenty," "The Bros," "Extreme Job," and the drama "Be Melodramatic."

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