A scratched cornea does hurt-bad. But the good news is that they heal quickly, within 1-3 days. You may want to check with your pharmacist to see if they can recommend an over-the-counter eyedrop that will help with the pain.If it's not better in a few days, I'd see a doctor to make sure you didn't do any extra damage.ow long does it take to heal? In many cases, depending on the severity, the cornea will heal completely in 24 to 48 hours, leaving no permanent damage. However, if the pain is severe or persistent, contact an eye doctor to decide if treatment is required.
Flying time from Hawaii to Tokyo, Japan. The total flight duration from Hawaii to Tokyo, Japan is 8 hours, 16 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. Your exact time may vary depending on wind speeds.
Your trip begins in San Francisco, California. It ends in the state of Hawaii. Your flight direction from San Francisco, CA to Hawaii is West (-109 degrees from North). The flight time calculator measures the average flight duration between points.It uses the great circle formula to compute the travel mileage.our flight direction from San Francisco, CA to Hawaii is West (-109 degrees from North). The flight time calculator measures the average flight duration between points. It uses the great circle formula to compute the travel mileage.