Please choose the correct ending to complete the given sentence: Health: [header] How to treat an ocular migraine [title] Recognize the onset of the aura phase. [step] Ocular migraines are characterized by visual problems, known as the " aura. " you may have trouble seeing, experience zig-zag lights that aren't really there, " see stars, " or have other visual effects.

Ending1: Look at your image if you are planning on using an ocular migraine spray. [substeps] The aura phase lasts approximately 11-18 hours. Ending2: [substeps] The aura phase consists of a sense of loss. You may not see colors or everything that is present. Ending3: These may or may not be accompanied by pain. Part of treatment is learning to recognize the particular symptoms that accompany your ocular migraines. Ending4: The aura phase can be unpleasant and sometimes turn feelings off. However, the onset of aura phase sometimes results in night blindness.

Answer format: ending1/ending2/ending3/ending4