Children astigmatism, why do you need to refraction after dilated eye refraction, what to do

Normal people see things with their physiological pupils. After the pupils are dilated, the pupils are dilated and not the pupils used by normal people. Therefore, after the pupils are dilated, they should wait for the pupils to return to normal before refraction, and the detected data (which should be basically the same as when the pupils are not dilated) can be used for glasses.

However, the time for refraction must be done at the time shown in the figure below:

Dilated refraction is mainly used in the following situations: (1) Children under 12 years of age. Because of its strong accommodative effect, if the refraction does not dilate the pupils, the error will be very large.

2) 12 40-year-old patients with myopia, farsightedness or astigmatism, in principle, the first refraction should be dilated, the second refraction, if the power does not change much, according to the original power of the small pupil refraction after addition or subtraction.

3) Fundus and.

Refractive interstitial examination is normal, but visual acuity is poor, and dilated refraction is needed to rule out refractive error. (4) More complex refractive errors, such as high myopia, high hyperopia or high astigmatism, myopia or farsightedness combined with astigmatism. (5) Adolescents with unstable vision, good vision for a while, poor for a while, suspected of pseudomyopia.

This patient adjusts once the pupils are dilated.

When the effect disappears, pseudomyopia is eliminated. There are also some cases that are not suitable for dilated refraction:

1) For glaucoma patients, dilated refraction is contraindicated, otherwise it will induce an acute attack of glaucoma. (2) Patients suspected of having glaucoma should also be very cautious if the anterior chamber is shallow, the intraocular pressure is high or at the high limit of normal value.

3) Patients over 40 years of age, due to weakened regulatory power, a.

Dilated refraction is no longer necessary.

Summary. Pupil dilation is mainly to remove the fatigue of the eye muscles and remove pseudomyopia, so that the prescription of the glasses is more accurate. In the case of re-examination, it is because the pupil will interfere with the glasses after the dilation, and the re-examination should be carried out only after the pupil is fully recovered, and then wear glasses.

After this time, the dilation of the pupil should be redone.

Pupil dilation is mainly to remove the fatigue of the eye muscles and remove pseudomyopia, which is more accurate in the prescription of glasses. If you want to recheck, it is because the pupil of the socks hall will interfere with the glasses after the dilation, and you should wait for the pupil to fully recover before going for the reexamination, and then wear glasses. After this time, the dilation of the pupil should be redone.

This is a post-optometry report, do I need to wear glasses?

I hope mine is helpful to you.

You will need to ask your doctor about the results after you have your relapse.