Photoacoustic Measurements for Characterisation of the Eye

Conventional pulse echo ultrasound techniques are widely used to obtain dimensional information on the position of interfaces within the eye and for imaging lesions. High-resolution biomicroscopy employing high frequency (> 20 MH  ultrasound measurements is possible for the front portion of the eye. However, such high frequency signals do not penetrate to the retina and beyon Hence, a lower frequency transducer is normally used to measure these larger dimensions, giving rise to a loss of relative distance information

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