At 14 km long and up to 440 meter (1443 feet) high, LÃ¡trabjarg is one of the three largest bird cliffs in Iceland, with the other two being Hornbjarg and HÃ¦lavÃ­kurbjarg. LÃ¡trabjarg is by far the easiest of the three to visit as a road leads practically to the cliffâs edge.
Rating Newest Oldest. Best Answer: H/o most of the time means history of. Hx/o would also mean the same thing, just like Hx. HO (with no slash) means Heterotopic ossification. Which is the abnormal development of bone in usually in soft tissue. Source(s):
OD - This is shorthand for oculus dextraous which means Right Eye. OS - This is shorthand for oculus sinister which really means Left Eye. OU - This is shorthand for oculus uterque which really means Both Eyes. If you see this, you'll want to enter the prescription the same on both eyes. Sphere or Power - SPH or PWR - This is the main strength of your eyeglass prescription, and is written in 0.25 increments. If the field has 'SPH', 'PL', 'PLANO', or '00', this means your there is a 0.00 power as should be entered as so.