| 미숙아 환아에서의 굴절이상 |
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이기황, 문찬식, 김주현, 장윤희, 유호민 |
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Department of Ophthalmology, Ajou University School of Medicine, Suwon, Korea |
| Refractive Outcome in Preterm Infants |
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Ki Hwang Lee, Chan Shik Moon, Chu Hyun Kim, Yoon-Hee Chang, Ho Min Lew |
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| Abstract |
Purpose
To evaluate the refractive status and their relation with gestational age and factors influencing the occurrence and degree of myopia in premature infants. Methods: Premature infants with a gestational age ＜37 weeks and born between Sept. 1994 and June 2004 were enrolled, and subdivided into two groups according to treatment for threshold ROP: Group 1: children born prematurely with threshold ROP, Group 2: children born prematurely without threshold ROP. Cycloplegic retinoscopy and ultrasound biometry were performed. These results were compared to the full term babies (Group 3). Results: There were significant differences in the incidence of myopia between age of 4 to 6 among the three groups, and the degree of myopia was higher in premature infants born with threshold ROP than the others. There were no significant differences in the axial length and anterior chamber depth between group 1 and 3. The degrees of myopia in group 1 were related to birth weight, intrauterine period, and axial length. Conclusions: Laser or cryotherapy treated eyes were significantly more myopic than the others. The degree of the myopia was found to be related to the birth weight, axial length, anterior chamber depth, and intrauterine period. Premature infants should be screened regularly and long-term follow up should be recommended to prevent amblyopia, strabismus, and other ocular abnormalities. (Korean J Optom Vis Sci 2006;5(1):15-22) |
| Key Words:
Axial length, Myopia, Premature infants, Refractive status |
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