lens
Image of the Day: Fish Eye Lens
Image of the Day: Fish Eye Lens
The Scientist Staff | Nov 1, 2017
Researchers develop a new method to highlight specific cells that reside in the lens of a zebrafish.
Surgery, Stem Cells Treat Cataracts
Surgery, Stem Cells Treat Cataracts
Catherine Offord | Mar 10, 2016
A surgical technique that removes the lens but leaves endogenous stem cells to allow lens regrowth shows promise in animal and early human trials.
Sighted Microbes
Sighted Microbes
Catherine Offord | Feb 10, 2016
Photosynthetic cyanobacteria sense light in much the same way as a human eyeball, scientists show.
Honorable Innovation
Honorable Innovation
Bob Grant | Dec 1, 2014
Runners up in the Top 10 Innovations of 2014 competition
Newts' New Eyes
Richard P. Grant | Dec 1, 2011
Cut off a newt’s tail or a leg, or remove a lens from its eye, and it grows back. However, whether newts can continue to do this throughout their lives, or lose the ability as they get older, has remained a mystery. 
Eye of Newt
Richard P. Grant | Dec 1, 2011
Researchers find that newts are capable of regenerating body parts well into old age.
Next Generation: World’s Smallest Camera
Megan Scudellari | Jul 27, 2011
This lens-free, pinhead-size camera could someday grace the tip of a surgery needle or take cheap 3D images of cells.
Repeated Regeneration
Megan Scudellari | Jul 12, 2011
A 16-year-long newt study finds that regeneration remains efficient with repetition and age.