(1) 3,000 km (2) 5,000 km (3) 6,300 km (4) 8,000 km 16. A seismograph indicates the difference between the arrival of S-waves and P-waves to be 4 minutes. The distance of the seismograph station from the earthquakeâs epicenter is about (1) 1,000 km (2) 1,500 km (3) 2,000 km (4) 2,500 km 17.
Andrea Bocelli. Known for his impressive operatic voice, Bocelli has had congenital glaucoma from a very young age. While he was already at greater risk for vision loss because of his glaucoma, the Italian-born tenor went totally blind at 12 years old after a suffering a brain hemorrage, the result of a soccer accident.
Researchers in Ithaca published a paper detailing the diagnosis of Borrelia-associated uveitis from Lyme disease in horses, an inflammatory eye condition that can cause significant pain to the animal and result in permanent visual field defects if untreated.