Please choose the correct ending to complete the given sentence: Health: [header] How to prevent development of cataracts [title] Protect your eyes from the sun. [step] Wear sunglasses and a wide-brimmed hat if you need to be outside. Choose sunglasses that are polarized to reduce eyestrain from glare sensitivity.

Ending1: Sunglasses with broad lenses ensure polarization (unless you use white or black colored glasses). When wearing sunglasses, put on a wide brimmed hat for shade. Ending2: They should also have an ultraviolet element to protect your eyes from uva and uvb rays. These rays can cause cataracts, with uvb rays also potentially leading to macular degeneration. Ending3: [substeps] Monitor the weather, as this is important for protection, it also increases your capacity to differentiate between that and other harmful pollutants. [title] Adjust your top clothing on hot, humid days. Ending4: [title] Use sunscreen to protect your eyes from uv light. [step] Exposure to uv light is called nearsightedness.

Answer format: ending1/ending2/ending3/ending4