My 35 days old baby boy eyes are still little bit yellowish. He had a mild jaundice after two days of birth and was OK thereafter. Yellowish color was disappeared but yellowish in eyes still there. He was 4 weeks preterm. Weighing 2590gm @ birth and 3970 @ 30 days. Most of the time he sleep with his eyes opened, look like he is dreaming. No other issues.. Please advise.. Thank you 🙏