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pupille

Salah Mabed I, Saad A, Guilbert E, Gatinel D. Measurement of pupil center shift in refractive surgery candidates with caucaseian eyes using infrared pupillometry. Journal of Refractive Surgery, Oct 2014

The diameter of the pupil irisne varies depending on various factors, such as the ambient light. When the pupil shrinks or dilates, the center of the pupillary disc may be a displacement of the order of a few tens of microns. Moreover, the center of the pupil is not in line with the geometric center of [...]

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Iris and eye color

How was born the eye color?   The iris is the diaphragm of the eye. It gives color to the eyes; (Brown) Brown, green or blue. The iris is one of the components of the uveal tissue of the eye (uvea), which also includes the ciliary body and the choroid. Many questions exist as to the color of the eyes, [...]

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Guilbert E, Saad A, Gatinel D. AcuTarget Measurements: Repeatability and Comparison to OPD-Scan III. J Refract Surg, 2014; 30 (3): 180-185.

This article looks at the study compared to the Acutarget (today renamed Veryon) and the OPDscan III regarding the measurement of the distance between the center of the pupil and corneal vertex (first Purkinje image). Due to the presence of an angle Kappa, the apparent Center of the entrance pupil is not confused [...]

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Cataract surgery after Kamra inlay implantation

The placement of an implant Kamra is done at the presbyter, in the cornea of the eye non-dominant. In case of cataracts occurring at a later date, it is not be necessary to remove the kamra, although it may be an obstacle to the good visualization of the anterior segment and the lens during the chiururgie. During the cataract procedure, [...]

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Animal wards

The pupils of the animal eyes the pupils of the eyes of animals surprise by the diversity of their shape: sometimes circular, (as in man), sometimes oval, even rectilinear (variable orientation slits), or more complex (slit with openings multiple). The primary role of the pupils is to modulate the amount of light received by the retina. Consult some [...]

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Pupil

Pupil: General the IRIS pupil, the pupil of the iris is the optical aperture of the eye. This opening central and circular edge delimits a disc through which is the path of the light rays refracted by the cornea to the retina destination. The pupil appears as a black disk, variable diameter, overall [...]

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Gatinel D, Danasoury A, Rajchles S, Saad A. Recentration of a small aperture corneal inlay. J Cataract Refract Surg 2012, 38 (12) 2186-91

This article examines the centering of the inlay KAMRA (Acufocus), used for presbyopia surgery. It includes the presentation of two case where the quality of vision and Visual acuity has improved after repositioning of the kamra. An adequate balance is an important parameter for obtaining a good result after implantation [...]

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