Heidelberg OCT device launched into space for eye exams of space station crew

Launched aboard a rocket on June 5, a Spectralis ocular coherence tomography imaging device is scheduled to arrive on June 15 at the International Space Station to allow for detailed analyses of the backs of crew members’ eyes, according to a news release.NASA is using the Spectralis (Heidelberg Engineering) OCT device to study astronauts’ eyes before, during and after space flight because of recent discoveries of ocular changes in astronauts, the release said. The space agency hopes to reduce potential sight-threatening risks that could be associated with long-duration space missions.

High myopia, staphyloma associated with macular anatomic abnormalities

Macular anatomic abnormalities were prevalent in eyes with high myopia and posterior staphyloma, according to a study.Investigators used spectral-domain optical coherence tomography to gauge the prevalence of foveoschisis, foveal detachment, vascu­lar traction, epiretinal membrane and macular hole in patients with high myo­pia. They also aimed to determine relationships between macular abnormalities and age, best corrected visual acuity, spherical equivalent, axial length and presence of posterior staphyloma.

BLOG: BB gun injuries are not to be considered lightly

With summer upon us and more people than ever obtaining weapons for protection and enjoyment (target practice), it is worthwhile to summarize the danger of BB and pellet guns.The term “ballistics” refers to the science of the travel of an object in flight. In the case of a gunshot wound or BB and pellet guns, the energy expended is kinetic energy, or energy due to a motion of bullet penetrating tissue and/or bone. The kinetic energy of a moving object is the function of its mass and its velocity so (Read more...)