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How does an optometrist determine that the degree of the patient is stable for LASIK if it is the first time that the optometrist has seen him?

Age: 16 - 29
Eye Health LASIK Myopia
DOCTOR’S ANSWER (3)
If an optometrist is seeing a patient for the first time, some information will have to come from factors such as the patient's age, the patient's history with regard to frequency of spectacle power changes and when the spectacle power was last changed, whether contact lenses have been used, what type of lenses they are and when was the last time they were worn, etc.

And then the optometrist will do their own spectacle power check, with and without dilating drops if this is a pre-LASIK check.

And so, with all this information at hand, we can imagine a few scenarios.

eg. Patient says they have worn the same spectacles for 2 years, and that spectacle lens power (can be checked with lensmeters/focimeters in the office) is the same as the optometrist's own current refraction check, and any soft contact lenses have not been worn for at least the past week, then we can say the spectacle power is stable

or on the other hand

eg Patient says they just updated the glasses 6 months ago, and the optometrist's current refraction check is even higher than that of the updated glasses, then the spectacle power is probably not stable

As you can see, it depends partly on what the patient tells the optometrist, and partly on what the optometrist finds on examination. If there is any uncertainty about the stability of the spectacle power, it is usual practice to postpone LASIK until another spectacle power check in perhaps 6 months to 1 year.


71 views 4 Jul 2019

To find out if the degree has been stable, the optometrist would obtain the history of the eye degree from the patient. If the patient's prescription has remained similar over at least 12 months, the vision is considered to be stable. However, minor fluctuations of 0.25 to 0.50 diopters would usually be accepted, as these may be contributed by eye fatigue or errors during subjective refraction.

If the patient could not remember his/ her eye degree or an eye exam has not been done recently, the optometrist would obtain the patient's latest spectacle or contact lens degree, and ask the patient the current quality of the vision when wearing those visual aids.

28 views 9 Jul 2019
Optometrists are extremely valuable members of our multi-disciplinary team.
 
As part of the Lasik assessment they will take a detailed medical and ophthalmic history, perform manifest and cycloplegic refractions of our patients, and compare that to the existing spectacle refraction of the patient.
 
Following which, the patient will undergo a detailed ophthalmic examination that will allow the attending Ophthalmologist to exclude any organic pathology of the eye.
 
This detailed history and examination will allow us to exclude any potential causes of ocular pathology, and to determine whether a patients refractive error has been stable and hence is suitable for subsequent discussion about refractive surgery options.
 
E-Shawn Goh
10 views 15 Jul 2019
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