The British journal of ophthalmology · 2001
A randomised, double masked, clinical trial of high dose vitamin A and vitamin E supplementation after photorefractive keratectomy.
Клиническое исследованиеСтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Vetrugno M, Maino A, Cardia G, Quaranta G M, Cardia L
Аннотация
AIM: To evaluate the effect of a high dose vitamin A and E supplementation on corneal re-epithelialisation time, visual acuity and haze following photorefractive keratectomy (PRK).
METHODS: Two groups of 20 patients who underwent myopic PRK were supplemented with either 25 000 IU retinol palmitate and 230 mg alpha tocopheryl nicotinate or a placebo. Clinical outcomes were evaluated up to 360 days.
RESULTS: In the vitamin treated group, re-epithelialisation time was significantly faster (p = 0.029) and haze incidence was reduced (p = 0.035), especially for high myopic corrections (p = 0.043). This group also reported a significantly better uncorrected visual acuity (p = 0.043).
CONCLUSIONS: High dose vitamin A and E oral supplementation may accelerate re-epithelialisation time and may reduce corneal haze formation after PRK.
METHODS: Two groups of 20 patients who underwent myopic PRK were supplemented with either 25 000 IU retinol palmitate and 230 mg alpha tocopheryl nicotinate or a placebo. Clinical outcomes were evaluated up to 360 days.
RESULTS: In the vitamin treated group, re-epithelialisation time was significantly faster (p = 0.029) and haze incidence was reduced (p = 0.035), especially for high myopic corrections (p = 0.043). This group also reported a significantly better uncorrected visual acuity (p = 0.043).
CONCLUSIONS: High dose vitamin A and E oral supplementation may accelerate re-epithelialisation time and may reduce corneal haze formation after PRK.