<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The benefit of correction of aberrations in the human eye with adaptive optics is strongly reduced by eye movements. Although devices for compensation of eye movements have already been developed, these are very advanced and expensive. We are working on the development of a novel method for eye movement compensation based on the detection of a corneal reflex by a linear profile sensor. Electronic circuits for controlling the profile sensor and stepper motors have already been designed. Next, a circuit must be designed so that the profile sensor controls the stepper motor. One of the shortcomings of this method is that a stepper motor runs at low speed. Another shortcoming is that the profile sensor operates in only one dimension. However, these problems can be solved by using a two-dimensional profile sensor and piezo-mounts working at much higher frequencies.</p></abstract>

The benefit of correction of aberrations in the human eye with adaptive optics is strongly reduced by eye movements. Although devices for compensation of eye movements have already been developed, these are very advanced and expensive. We are working on the development of a novel method for eye movement compensation based on the detection of a corneal reflex by a linear profile sensor. Electronic circuits for controlling the profile sensor and stepper motors have already been designed. Next, a circuit must be designed so that the profile sensor controls the stepper motor. One of the shortcomings of this method is that a stepper motor runs at low speed. Another shortcoming is that the profile sensor operates in only one dimension. However, these problems can be solved by using a two-dimensional profile sensor and piezo-mounts working at much higher frequencies.

Method for Compensation of Eye Movements in Adaptive Optics

Department of Ferroelectrics, Institute of Solid State Physics, University of Latvia

Department of Optometry and Vision Science, University of Latvia, 8 Kengaraga Str., Riga, LV-1063, LATVIA

Latvian Journal of Physics and Technical Sciences

{"article-title":"Method for Compensation of Eye Movements in Adaptive Optics"}

The benefit of correction of aberrations in the human eye with adaptive optics is strongly reduced by eye movements. Although devices for compensation of eye...

Method for Compensation of Eye Movements in Adaptive Optics

Pubblicato online: 16 lug 2010

Pagine: 51 - 56

DOI: https://doi.org/10.2478/v10047-010-0015-0

Parole chiave
adaptive optics, retinal tracking, retinal image

This content is open access.

Method for Compensation of Eye Movements in Adaptive Optics

Pubblicato online: 16 lug 2010

Pagine: 51 - 56

DOI: https://doi.org/10.2478/v10047-010-0015-0

Parole chiaveadaptive optics, retinal tracking, retinal image

This content is open access.

Parole chiave
adaptive optics, retinal tracking, retinal image