Feeds

Mars trips could blind astronauts

Lack of gravity is the main culprit

Security for virtualized datacentres

A manned trip to Mars could end up blinding its astronauts suggests research by the American Academy of Ophthalmology. The report says that long amounts of time spent in space damages astronauts' eyes.

It puts another obstacle in the way of manned Mars missions, which would be a three-year round trip requiring rocket power beyond what we can currently muster. Though NASA have put teams of their health scientists onto solving the problem, according to the LA Times.

The research published in the journal Opthalmology found that 60 per cent of astronauts on long-duration flights (six months) experienced decreased vision at short and long range, while the same problems affected 27 per cent of astronauts on short-term trips (two weeks). In some cases the problems persisted after many years back on earth, though in others they dissipated.

The American Academy of Ophthalmology examined seven astronauts in detail and questioned 300 more generally to compile the findings. The results were published last month and just flagged up again yesterday by the LA Times.

Even though blindness only happens in extreme cases, blurring of vision is a problem and NASA has shipped out dozens of pairs of glasses to the International Space station to combat the problem.

Reduced gravity has cited as the most likely cause of the eye trouble. It is known to cause short-term problems in the human body – known as Space Adaptation Syndrome – including spatial disorientation, nausea and vomiting. This is mainly caused by bodily fluids – especially spinal fluid – rising to the head and putting pressure on the brain and eyes. ®

Security for virtualized datacentres

More from The Register

next story
Boffins say they've got Lithium batteries the wrong way around
Surprises at the nano-scale mean our ideas about how they charge could be all wrong
Thought that last dinosaur was BIG? This one's bloody ENORMOUS
Weighed several adult elephants, contend boffins
Europe prepares to INVADE comet: Rosetta landing site chosen
No word yet on whether backup site is labelled 'K'
City hidden beneath England's Stonehenge had HUMAN ABATTOIR. And a pub
Boozed-up ancients drank beer before tearing corpses apart
'Duck face' selfie in SPAAAACE: Rosetta's snap with bird comet
Probe prepares to make first landing on fast-moving rock
Archaeologists and robots on hunt for more Antikythera pieces
How much of the world's oldest computer can they find?
prev story

Whitepapers

Secure remote control for conventional and virtual desktops
Balancing user privacy and privileged access, in accordance with compliance frameworks and legislation. Evaluating any potential remote control choice.
Saudi Petroleum chooses Tegile storage solution
A storage solution that addresses company growth and performance for business-critical applications of caseware archive and search along with other key operational systems.
High Performance for All
While HPC is not new, it has traditionally been seen as a specialist area – is it now geared up to meet more mainstream requirements?
Security for virtualized datacentres
Legacy security solutions are inefficient due to the architectural differences between physical and virtual environments.
Providing a secure and efficient Helpdesk
A single remote control platform for user support is be key to providing an efficient helpdesk. Retain full control over the way in which screen and keystroke data is transmitted.