A development of keratoscopy, corneal topography extends the measurement range from the four points a few millimeters apart that is offered by keratometry to a grid of thousands of points covering the entire cornea. The procedure is carried out in seconds and is completely painless. 1 Operation.
Other melons - Cantaloupe, Cranshaw, Honeydew, etc. - 30 min. Oranges, grapefruit, grapes - 30 min. Apples, pears, peaches, cherries, etc. - digest in 40 min. Vegetables: Raw tossed salad vegetables - tomato, lettuces, cucumber, celery, red or green pepper, other succulent vegetables - 30 to 40 min. digestion.
I have found that the bagged salads don't last long so I make a big bowl of salad using a head of lettuce. I add other veggies (broccoli, carrots, peppers, etc) to add nutritional value since the iceberg lettuce doesn't have much. It lasts at least a week in the fridge, and I have it to take for lunches or for dinner.