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J Refract Surg. 1997 Jan-Feb;13(1):23-6.

Influence of patient age on photorefractive keratectomy for myopia.

Author information

1
Department of Ophthalmology, Ichilov Hospital, Tel-Aviv, Israel.

Abstract

BACKGROUND:

To determine whether the outcomes of photorefractive keratectomy (PRK) for myopia are age-dependent.

METHODS:

The influence of age on PRK outcomes was analyzed for one eye of each of 72 patients divided into two groups: 39 patients (18 to 26 years) and 33 patients (35 to 54 years). The influence of the amount of preoperative myopia (low myopia less than -4.00 diopters (D); moderate to high myopia -4.00 or more D) was also evaluated. All patients were followed for at least 1 year, and all underwent cycloplegic refractions.

RESULTS:

One year after PRK, the average refraction was -0.15 D in the younger group and +0.38 D in the older group. The achieved refraction was higher than the attempted by +1.00 D or more only in eyes with moderate to high myopia (-4.00 to -10.00 D); 11.54% (3 eyes) of the younger group and in 34.78% (8 eyes) of the older group.

CONCLUSIONS:

After PRK for myopia, patients between the ages of 35 and 54, with moderate to high myopia, obtained more refractive change with the same intended dioptric correction compared to younger patients with moderate to high myopia. Attempted correction should be adjusted according to age and amount of myopia.

PMID:
9049931
[Indexed for MEDLINE]

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