In about 5 chapters Luo Zhang is going to start looking for an eye doctor who would be able to help fix her eyes and then he later finds out that Lan Jinqian (I think it's her real dad) is close friends with the professional eye doctor he wants for her. So in order to get in touch with the eye doctor, he asks her dad for a favour to help him (her dad and Luo Zhang are close friends).
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In about 5 chapters Luo Zhang is going to start looking for an eye doctor who would be able to help fix her eyes and then he later finds out that Lan Jinqian (I think it's her real dad) is close friends with the professional eye doctor he wants for her. So in order to get in touch with the eye doctor, he asks her dad for a favour to help him (her dad and Luo Zhang are close friends).