Optics confidential

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41 posts · 50,425 views

Optics Confidential is a blog with questions and answers on optical research, with emphasis in Visual, Ophthalmic and Biomedical Optics. The social impact of science and career development of young scientists is also covered.

Pablo Artal
41 posts

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  • May 17, 2012
  • 03:47 AM
  • 939 views

Too good to be true? Stopping myopia progression by controlling peripheral refraction.

by Pablo Artal in Optics confidential

New lights on optical methods to control myopia progression are not very promising... learn more.... Read more »

  • March 19, 2012
  • 09:49 PM
  • 673 views

Is the display resolution of the new Ipad adequate for the eye?

by Pablo Artal in Optics confidential

Visual optics tell us if the resolution of the new Ipad display enough for the eye and how compares with the ipad2... ... Read more »

  • February 20, 2012
  • 02:09 AM
  • 777 views

Which intraocular lens fits my eye? Science not magic

by Pablo Artal in Optics confidential

Learn how to determine the power of an intraocular lens after cataract surgery. Science, not magic...... Read more »

  • January 31, 2012
  • 06:00 AM
  • 680 views

Correcting presbyopia with corneal inlays: ¿reinventing the wheel or the advantages of simplicity?

by Pablo Artal in Optics confidential

A simple method to correct for presbyopia is evaluated...... Read more »

Tabernero, J., Schwarz, C., Fernandez, E., & Artal, P. (2011) Binocular Visual Simulation of a Corneal Inlay to Increase Depth of Focus. Investigative Ophthalmology , 52(8), 5273-5277. DOI: 10.1167/iovs.10-6436  

  • December 27, 2011
  • 11:00 AM
  • 692 views

Optics research and the eye in Spain during the XX century: a brief history

by Pablo Artal in Optics confidential

A brief historical account on optical and vision research in Spain in the XX century... Read more »

Marcos, Artal, Santamaría, Aguilar, Plaza. (2006) Research in Physiological Optics in Spain: A historical revision. Opt. Pura Apl. 39 (3) 189-197 . info:/

  • November 7, 2011
  • 05:30 AM
  • 720 views

Evaluating dry eyes

by Pablo Artal in Optics confidential

Dry eye is a condition affecting millions of people. Surprisingly there is a lack of objective methods to evaluate tear film quality. A new optical method is described here, discussing implications and more...... Read more »

  • October 10, 2011
  • 08:30 AM
  • 775 views

How your eye affects quality of vision?

by Pablo Artal in Optics confidential

Perhaps one of the most interesting topics today in the area of physiological optics is the relationship between the ocular optics and vision. This has been a subject of study for decades, if not centuries, but I elaborate more on my current views of this exciting problem... ... Read more »

  • August 31, 2011
  • 01:34 AM
  • 1,026 views

Advice to become a refined self-plagiarist. (Disclaimer: it is not ethical and will not help your career)

by Pablo Artal in Optics confidential

Some comments on self-plagiarism practices in science that will damage your career... sooner than later... Read more »

  • August 1, 2011
  • 11:33 PM
  • 1,060 views

Why to worry about the optics of the eye in the peripheral retina?

by Pablo Artal in Optics confidential

Why is important the optics of the eye in the peripheral retina? How this can be measured fast and with accuracy? Yes, this can be really quite important for the future of how to control myopia development... ... Read more »

  • March 15, 2011
  • 12:00 PM
  • 1,254 views

The optics of the eye in older people is not as bad as you would think...

by Pablo Artal in Optics confidential

The eye is an optical instrument made of biological tissues and surprinsingly still working after many years... you may know some reasons.... Read more »

Berrio, E., Tabernero, J., & Artal, P. (2010) Optical aberrations and alignment of the eye with age. Journal of Vision, 10(14), 34-34. DOI: 10.1167/10.14.34  

  • February 7, 2011
  • 01:30 PM
  • 1,089 views

How can I know if I have cataracts and its severity?

by Pablo Artal in Optics confidential

Lear about a new optical method to detect and grade cataract... and more... Read more »

  • December 28, 2010
  • 01:00 AM
  • 1,007 views

How a change of gaze affects the eye optics?

by Pablo Artal in Optics confidential

Discover how your change in the direction of gaze can affect the optical properties of the eye... and more.... Read more »

Prado, P., Arines, J., Bará, S., Manzanera, S., Mira-Agudelo, A., & Artal, P. (2009) Changes of ocular aberrations with gaze. Ophthalmic and Physiological Optics, 29(3), 264-271. DOI: 10.1111/j.1475-1313.2009.00652.x  

  • December 12, 2010
  • 02:00 PM
  • 1,032 views

Optics & stereopsis: how 3D vision is affected by retinal image quality?

by Pablo Artal in Optics confidential

Stereo (3D) vision is affected by the quality of the images in the retina. An adaptive optics instrument allows the testing of 3D vision and more...... Read more »

  • October 8, 2010
  • 01:52 PM
  • 1,037 views

Virtual cataract surgery: advanced optics helping surgeons and... patients

by Pablo Artal in Optics confidential

Virtual cataract surgery is a customized optical modeling helping the design of intraocular lenses and improving vision of cataract patients... learn more... Read more »

  • August 31, 2010
  • 01:51 PM
  • 1,125 views

Seeing double: perhaps is simply optical diplopia

by Pablo Artal in Optics confidential

Changes in the optics of the eye can produce double or even multiple images... a real case is explained as an example and more... ... Read more »

  • June 30, 2010
  • 10:13 AM
  • 1,134 views

The exploration of the eye as an optical instrument: the last 400 years

by Pablo Artal in Optics confidential

A brief summary of how the optics of the eye was explored since Galileo's time. An exciting journey...... Read more »

  • April 30, 2010
  • 02:00 PM
  • 1,090 views

Why I should pay taxes to fund (basic) science?

by Pablo Artal in Optics confidential

A practical example from ophthalmic optics research to convince readers on the importance of expending money in basic research... and more ... Read more »

Tabernero, J., Benito, A., Alcón, E., & Artal, P. (2007) Mechanism of compensation of aberrations in the human eye. Journal of the Optical Society of America A, 24(10), 3274. DOI: 10.1364/JOSAA.24.003274  

  • March 12, 2010
  • 12:00 PM
  • 1,255 views

The (empirical) rule of 8%

by Pablo Artal in Optics confidential

Some advice on how to deal with students and postdocs...... Read more »

Perez, G., Archer, S., & Artal, P. (2009) Optical Characterization of Bangerter Foils. Investigative Ophthalmology , 51(1), 609-613. DOI: 10.1167/iovs.09-3726  

  • February 18, 2010
  • 07:00 AM
  • 1,310 views

Chromatic aberration of the eye: to correct or not to correct?

by Pablo Artal in Optics confidential

The human eye suffers of a very large chromatic aberration. This means that when a red object is in focus, a blue one at the same distance will be clearly out of focus. Why we are not yet routinely correcting this defect to improve vision? You will find here some new experiments, results and explanations...... Read more »

  • December 30, 2009
  • 06:45 AM
  • 1,374 views

2010, the year when 20/10 vision was promised

by Pablo Artal in Optics confidential

The promise of perfect "20/10" vision for everybody appeared to be a real possibility in the early 2000's. 2010 is already here and your doctor cannot offer you yet supervision...... Read more »

Santamaria, Artal, Bescos. (1987) Determination of the point spread function of human eyes using a hybrid optical-digital method. J.Opt.Soc.Am.A., 1109. info:/

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