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First Author: S.Kandelman BRAZIL
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To show the clinical results of Presbia Flexivue Microlens -implanted in a variety of out of use scenarios. All patients were highly motivated in order to eliminate or reduce their visual dependency on glasses for near vision. They understood and consented, although having healthy eyes, that they may not achieve their desired outcome.
Five consecutive patients complaining of presbyopia and who were readers spectacles dependent were recruited (Skopus Ophthalmology Clinic and Femto-Rio Laser, both in Rio de Janeiro, Brazil) for the implantation of corneal inlays (Presbia®) in a pocket, using a femtosecond laser. Patients were also aware that the procedure is reversible and present a very limited potential of complications, therefore allowing the explanation of the Flexivue Microlens at any time, if needed.
Two of the patients had a previous small refraction error for distance, which was for both a bilateral hyperopic astigmatism (one patient (1) +1,00 sph. and -0,50 cyl. @90 AO and the second patient (2) +0,75 sph. and -0,75 cyl. @90 AO).The next patient (3) had a high angle phoria with dominance alternation. The forth patient (4) had previous successful LASIK surgery (about 10 years before) for -3,00 sph. AO. The last patient (5) in this series, being 50 years old was pseudophakic in one eye, implanted with a monofocal IOL, refracting plano for distance and a healthy contralateral eye, and was presbyopic.
After Presbia Flexivue Microlens implantation, patients 1 and 2 had near vision improvement, maintained their distance refraction in the implanted eye and wished to have further enhancement in visual acuity. For this purpose they were submitted to a bilateral custom-PRK after 6 months of the initial surgery and after another month they both demonstrated further improvement in their visual acuity for distance and near, were spectacles independent and reported to be happy. Patient 3 reported improvement in vision for near, although together with asthenopic symptoms, due to orthoptics physiotherapy. Patient 4 reported great improvement for near, although reported worsening for distance in the operated eye, refracting as -3,00 sph. At completion of a year postoperative, considerations are being made to perform an enhancement PRK in order to avoid explanation and loss of the improvement in near visual acuity per the patients request. Patient 5 reported improvement for near without any additional remarks.
Besides being a widely accepted technique with proven efficacy over large number of implants in the recent years, with full peer-reviewed journals, the Presbia Flexivue Microlens may have a wider potential for use in patients with prior refractive procedures. A larger number of patients should be studied, although the reversibility of the implants offers a crucial advantage.
... travel has been funded, fully or partially, by a company producing, developing or supplying the product or procedure presented