As the rods die off, the ailment begins to affect the cones, leading to blindness.

Source: https://thefrontierpost.com/vision-cones-rods-in-the-retina-may-still-retain-visual-function-despite-eyesight-loss/

Deaths of under 25s also increased by seven per cent, rising to 16 - confounding the repeated excuses churned out by government ministers about an “ageing cohort” that was cruelly expected to die off.

Source: https://www.dailyrecord.co.uk/news/heartbroken-mum-furious-drug-deaths-30236012

Didn't the starfish die off for no apparent reason and did they come back.

Source: https://theava.com/archives/228070

From late summer to fall, the weeds they normally feed on start to die off, so they move into areas that are maintained or irrigated.

Source: https://phys.org/news/2023-12-woollybear-caterpillar-seasonal-journey-overwinter.html

She waits a significant amount of time before using them so that the virus can die off, and she can safely handle the material.

Source: https://www.cbc.ca/news/canada/saskatchewan/face-mask-repurposing-landscaping-tiles-regina-1.6752754?cmp=rss

Soon the mosquitoes will die off, the ants will stop crawling out of nowhere, and the cicadas will cease their chattering cacophony.

Source: https://www.bangordailynews.com/2023/09/13/opinion/opinion-contributor/i-wont-miss-summer/