Optics of the Eye: From Visual Optics to Clinical Application
A special issue of Photonics (ISSN 2304-6732).
Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 14269
Special Issue Editor
Interests: vision sciences; adaptative optics; optometry; instrumentation; ocular aberrations
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Accommodation is the ability of the eye to actively change its dioptric power to focus on objects at a wide range of distances. The focusing mechanism involves an increase in the total optical power of the eye to change from a distant to a near viewing distance and vice versa. This is primarily achieved through a change in the shape and thickness of the crystalline lens varying its optical refractive power.
The ocular wavefront aberrations (WA) and, consequently, the retinal image quality, depend on the balance between the optical properties of the cornea and crystalline lens, the two refractive media of the eye. Accommodation naturally changes this balance as it induces a change in lens geometrical and optical properties and, therefore, affects the optical quality of the retinal image.
Moreover, ocular accommodation decreases with age, leading to presbyopia and the need for eyeglasses or other devices to compensate for the lack of accommodation being the accommodative intra-ocular lens (IOL) one of the most recent developments in this area.
The existence of accommodative dysfunctions leads to symptoms and difficulties in performing near-vision tasks however, there are no studies relating these disabilities to the optical quality of the eye changes with accommodation.
In this Special Issue we expect to cover several topics regarding ocular accommodation:
- Relationship between ocular accommodation and wavefront aberrations;
- Changes in morphological and optical properties of the crystalline lens during accommodation;
- New optical instrumentation or techniques to evaluate the ocular accommodation;
- Impact of accommodative dysfunctions in the ocular optical quality;
- Application of the knowledge;
- New optical approaches to the presbyopia correction.
Dr. Sandra Franco
Guest Editor
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