Interdepartmental Postgraduate Programme - University of Crete

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Aegean Summer School in Visual Optics

Aegean Summer School in Visual Optics

Since 2002, Aegean Summer School in Visual Optics is organized on a regular basis, and hosts guest speakers who are pioneers in the field of visual optics.

The scientific, educational and research prestige of the Summer School is ensured by a distinguished group of instructors who, in the short duration of the school, transfer to the trainees concentrated knowledge and experience from the scientific areas of their expertise.

The Summer School is addressed to scientists with interest in Visual Optics such as ophthalmologists and scientists from the fields of physics, mathematics, statistics, optometry or optics. The content of the Summer School is closely related to the Postgraduate Programme in Optics and Vision. The Summer School's attendance is an excellent oportunity for the programme's students to meet experts and get connected; for this reason they are encouraged to actively participate. At the same time students are given the opportunity to have an overview of the subject of their studies and to deepen on specific issues covered in the context of the Summer School by distinguished guest speakers.

The Summer School's programme includes a range of basic and advanced topics in physiological optics and vision, with a focus on the following areas:

Refraction and visual abberations

Retinal image quality

Eye scattering

Lens and Accommodation

Adaptive optics and imaging techniques in ophthalmology

Progress in eye glasses, contact lenses, and design of intraocular lenses


This year's Aegean Summer School in Visual Optics will take place at Heraklion, Crete - Greece (IBIS Hotel), between 7th and 9th July 2018.

Star segment target with different spatial frequencies photographed from a LCD monitor in focus. The same star segment target from figure 1.3.1 photographed from a LCD monitor and purposely defocused. Note the ring-shaped areas of minimal contrast (nodal points) , spurious resolution and contrast reversal. (after (Smith 1982)) Simple visual reaction times vs. contrast for three different spatial frequencies (0.5, 4.0 and 12 c/deg). The curve for the 0.5 c/deg stimulus is on a true scale, but the other curves have been successively shifted to the right by 1 log unit for ease of viewing. (from (Harwerth and Levi 1978) Η οπτική οξύτητα των τριών διαφορετικών σχεδιασμών  (LO ADD φ.ε., MED ADD φ.ε. και HI ADD φ.ε.) όπως προκύπτει από τις σχετικές μετρήσεις κατά τη μονόφθαλμη παρατήρηση (αριστερά) και κατά τη διόφθαλμη παρατήρηση (δεξιά), με τη χρήση τεχνητής κόρης των 3mm (πάνω) και 6mm (κάτω).
Πίνακας κοντινής οπτικής οξύτητας (αναγνώρισης γραμμάτων) με 100% contrast (αριστερά) και 10% (δεξιά). Με κατάλληλη βαθμονόμηση μπορεί να χρησιμοποιηθεί για διάφορες κοντινές (συνήθως 40cm) και ενδιάμεσες αποστάσεις (63 και 100 cm)(Colebrander mixed contrast card set). Φάσμα απορρόφησης της χρωστικής της ωχράς, όπως έχει περιγραφεί από διάφορους ερευνητές. υπολογιστικό μοντέλο το οποίο προσομοιώνει την διάχυση των φωτονίων μέσα από τον σκληρό λόγω της πολλαπλής σκέδασης. Για αυτό το μοντέλο εφαρμόσθηκε η μέθοδος Monte Carlo (random walk αλγόριθμος) Προφίλ οπισθοσκέδασης σε ανθρώπινο σκληρό. Μπλε γραμμή πειραματικά δεδομένα, κόκκινοι κύκλοι προσομοίωση του μοντέλου.