context: How to exercise your eyes
Talk to your optometrist about eye exercises.
There is no clear scientific data that shows eye exercises improve your eyesight. So before you attempt eye exercises, it's a good idea to get a professional eye exam done by your optometrist.
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next sentence for the context: Your optometrist can then tell you if you have any existing eye problems or issues. Before you try eye exercises, you should ask your optometrist if these exercises would benefit your particular set of eyes.

context: How to detect ovarian cancer
Identify possible symptoms.
It is important to recognize that at the early stages, the symptoms are not very distinctive. Other conditions like pre-menstrual syndrome (pms) or irritable bowel syndrome (ibs) have symptoms that are very similar.
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next sentence for the context: So if you do have these symptoms, it does not mean that you definitely have cancer. But it does mean that you should get checked.

context: Several people are outside with their phones waiting to see a performance of some sort. after
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next sentence for the context: , a black sheet comes down and six sumo wrestlers begin dancing before they take off running.

context: How to clean skateboard bearings
Gather the necessary materials.
To make this job go faster and get you back on your board sooner, having the right tools at the ready is a must. The necessary items are listed below under things you'll need.
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next sentence for the context:
In particular you'll need pliers/screwdriver, a socket wrench or ratchet and a skate tool (or t-tool). Remove the skateboard's wheels.