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Imagine Eyes - Adaptive optics, adapted to eye care™

Imagine Eyes provides academic and clinical researchers with advanced ocular wavefront analysis and adaptive optics components.  Our customers produce outstanding results in domains including refractive diagnosis, vision simulation and retinal imaging.  Click on the products below to learn more or, to reach a salesperson, call us on +33 (0)1 64 86 15 66 or click here to contact us by e-mail.

Aberrometer, vision simulation and adaptive optics solutions Ocular wavefront metrology and adaptive optics components
irx3

The irx3™ Wavefront Aberrometer, crx1™ Adaptive Optics Visual Simulator and AOKit™ - eye are ready-to-go solutions that unite innovative features, ease-of-use and reliable results to respond to the demanding needs of vision researchers.  The irx3 is available to practitionners as MAXWELL™ by Ziemer Ophthalmic Systems.

 AOKit

We provide the building blocks for unique applications in ocular wavefront analysis, vision simulation and retinal imaging.  Large-stroke wavefront correction with the mirao™ 52-e Electromagnetic Deformable Mirror, precision ocular wavefront analysis withthe HASO™ 32 – eye wavefront sensor, and precision loop control with CASAO™ command & control software.


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Fluctuations in intraocular pressure and the potential effect on aberrations of the eye

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Paper published in the British Journal of Ophthalmology by Doctors M. Asejczyk-Widlicka1 and B. K Pierscionek on their investigation into the fluctuations in intraocular pressure during the day the possible association with changes in corneal shape and in the patterns of ocular aberrations.  Click to read the article.


Objective: To investigate the fluctuations in intraocular pressure during the day and to see if these are associated with changes in corneal shape and in the patterns of ocular aberrations.

Methods: Intraocular pressure, corneal curvature, refractive error, spherical equivalent and aberrations (defocus (sphere); cylinder (astigmatism); coma, trefoil and third order spherical aberration) were measured in 17 healthy subjects three times during the day. The first measurement was made between 9:00 and 9:30, the second at midday (12:30–13:00) and the third in the afternoon (17:00–17:30). Aberrations, corneal shape, refractive error and pupil size (for which correction was made) were measured with an Irx3 Dynamic Wavefront Aberrometer. Intraocular pressures were measured using a non-contact tonometer (Cambridge Instruments Inc.) and calibrated with the Goldmann applanation tonometer.

Results: Variations in intraocular pressures were unrelated to age or refractive error. Statistically significant differences in intraocular pressure between morning and midday as well as between midday and afternoon were found. Intraocular pressure variations between midday and afternoon were associated with changes in spherical equivalent, corneal radius of curvature and aberrations (defocus, cylinder, coma, trefoil and spherical aberration) over the same time period. Aberration patterns varied between individuals, and no association was found between two eyes of the same subject.

Conclusions: Changes in intraocular pressure have no noticeable effect on image quality. This could be because the eye has a compensating mechanism to correct for any effect of ocular dynamics on corneal shape and refractive status. Such a mechanism may also affect the pattern of aberrations or it may be that aberrations alter in a way that offsets any potentially detrimental effects of intraocular pressure change on the retinal image. Variations in patterns of aberrations and how they may be related to ocular dynamics need to be investigated further before attempts at correction are made.

Click to read the article.