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J Pak Med Assoc. 2017 Apr;67(4):609-615.

Femto-lasik: The recent innovation in laser assisted refractive surgery.

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Department of Ophthalmology, Allama Iqbal Medical College, Jinnah Hospital, Lahore, Pakistan.


Femtosecond laser has been introduced in refractive surgery to create a thin-hinged corneal flap without using any blade. The current review was planned to analyse and compare femtosecond-assisted laser in-situ keratomileusis (LASIK), the latest refractive procedure, with conventional techniques in refractive surgery. The analysis showed that femtosecond-assisted LASIK yielded more predictable corneal flaps, lesser ocular aberrations, better uncorrected visual acuity, lesser variations in intraocular pressure (IOP) and fewer chances of developing dry eyes. Transient light sensitivity, diffuse lamellar keratitis, opaque bubble layer, corneal haze and rainbow glare are some of the demerits of femtosecond-assisted LASIK, but these can be prevented with certain precautions. The early visual rehabilitation and preservation of corneal anatomy are added benefits in the long run. Though it is expensive currently, the competition in market is expected to cut down the cost soon.


Laser insitu keratomileusis, Femtosecond laser, Femtec, Microkeratome, Hansatome, IntraLase.

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