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Functional binocularity in patients implanted with clear hydrogel corneal inlay in one or both eyes

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Session Details

Session Title: Intracorneal Inlays for Presbyopia

Session Date/Time: Tuesday 08/09/2015 | 16:00-18:00

Paper Time: 17:00

Venue: Main Auditorium

First Author: : E.Barragan MEXICO

Co Author(s): :                        

Abstract Details


To evaluate binocular functionality in patients implanted with hydrogel corneal inlay (Raindrop Near Vision Inlay, ReVision Optics, Inc., Lake Forest, CA, USA) in either one or both eyes.


Single Site, Laser Ocular Hidalgo, Monterrey Mexico


Prospective, non-randomized, study of patients previously implanted with Raindrop Inlay in one or both eyes. Patients with at least 6 months post inlay surgery were consecutively enrolled within each group. All inlays were implanted under a femtosecond flap (1/3 central corneal thickness) onto the stromal bed, centered on the light constricted pupil. ETDRS binocular visual acuities, reading speed, contrast sensitivity and stereopsis were evaluated.


Bilateral Raindrop group (RR, n=12) and unilateral Raindrop group (R, n=19) both showed good binocular UVAs (logMAR) for distance (RR: 0.12, R: 0.07) and near (RR: 0.14, R: 0.24). Patients with 2 inlays showed slightly better stereopsis (RR: 59 secs, R: 91 secs). Maximum reading speed (RR: 210 wpm, R: 194 wpm), reading acuity (RR: 0.12 logMAR, R: 0.19 logMAR), and photopic contrast sensitivity were all similar between the 2 groups.


Bilateral and unilateral Raindrop patients showed equally good binocular acuity at distance and near as well as functional reading performance. Stereopsis was slightly improved with 2 inlays.

Financial Interest:

One of the authors research is funded, fully or partially, by a company producing, developing or supplying the product or procedure presented, One of the authors travel has been funded, fully or partially, by a competing company

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