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Early Stage Researcher (PhD student) in optics of myopia

(posted: 20/02/2019)
APPLICATION DEADLINE15/03/2019
RESEARCH FIELD: Physics, Optics
ORGANISATION: Universidad de Murcia
RESEARCHER PROFILE : First Stage Researcher (R1)
JOB STATUS: Full time
EU RESEARCH FRAMEWORK PROGRAMME: H2020 / Marie Skłodowska-Curie Actions
BENEFITS:  NOTE temporal contract of FOUR months. Compensation: Highly competitive salary, including allowances for mobility, and family as well as funds to participate in training activities of the MyFUN network and in (international) conferences.
Offer Requirements: Master in Physics, Optical Engineering or Ophthalmology. Good English Level. 

We are looking for Early Stage Researchers motivated to initiate a research career in the Optics field.

The Laboratory of Optics at Murcia University develops new optical technologies to be applied in the human eye. It is a world leader research group and pioneered different technologies based in advanced photonics in Ophthalmology.

A big question remains as to why myopia progression is only loosely correlated to near work. Not all epidemiological studies could demonstrate a link. The problem arises perhaps because it is still not known what exactly triggers myopia during reading. A classical theory is that accommodation is insufficient (“lag of accommodation”) but the published studies could not convincingly demonstrate that a lag of accommodation precedes the onset of myopia, and the evidence that myopic subjects have larger lags of accommodation is mixed. A major problem is the technologies used to measure the lag of accommodation. First, the devices are typically optimized to measure the best approach to the spectacle refractions (but generating large offsets at near) and second only few studies have taken higher order aberrations into account even though they also determine the plane of best focus. Therefore, a dynamic, binocular aberrometer that can also track pupil size and vergence will be the only approach to finally determine how big the “lag of accommodation” is during binocular reading and whether it might be related to the defocus error signal driving accommodation. The device consists of a single Hartmann-Shack wavefront sensor conjugated with both eyes’ pupil planes through twin periscopes for simultaneous measurements of the dynamics of accommodation, aberrations, pupil sizes and convergence (Chirre et al, Opt Lett 2014, 39). A dichroic mirror transmits the visible light allowing open-view to the subject while the infrared beams are reflected toward the sensor positioned in a lower plane. From the recorded images, both eyes` wave-aberrations, pupil size and relative convergence can be measured in real time (25 Hz).

Post-doc in experimental optics/advanced photonics

published: 07/02/2017
RESEARCH FIELD
Engineering
Medical sciences
Physics
We are looking for recent PhDs with experience in experimental optics and photonics and motivated to transfer the ideas to real applications.
The Laboratory of Optics at Murcia University develops new optical technologies to be applied in the human eye. It is a world leader research group and pioneered different technologies based in advanced photonics in Ophthalmology. LOUM research is funded by the European Research Council (ERC) and other national and international sources.

 

 

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