![]() ![]() The pigment epithelium is the black layer behind the retina where visual pigments are replenished. The fovea is where light from the center of gaze lands on the retina. The retina is the sheet of neurons at the back of the eye. The vitreous humor is the high viscosity fluid filling the eyeball. The ciliary (or lens) muscles are the muscles that control the shape (curvature) of the lens. The lens is the flexible, clear substance that provides 20% of the focusing power of the eye. The pupil is the hole through which light enters the eye. The iris is the muscular, colored tissue that surrounds (and shapes) the pupil. The aqueous humor is the low viscosity fluid behind the cornea, in front of the lens. The sclera is the white, hard outside of the eyeball. It has 80% of the focusing power of the eye but is not flexible. The cornea is the transparent but alive, curved structure at the front of the eye, with embedded nerve endings for pain, touch and thermal sensation. Know what a blind spot on the retina is, and where it’s located. Know which parts of the eyeball are involved in accommodation. About Us For more information about Lifehacker Australia, visit our about page.Being able to describe different parts of a human eyeball. ![]() Technical Something not looking quite right? Contact our tech team by email at office AT. Advertising To advertise on Lifehacker Australia, contact our sales team via our advertising information website. Contact Editorial To contact our editors, email tips AT or post to Lifehacker Australia, Level 4, 71 Macquarie St, Sydney NSW 2000.Streaming How technology keeps us entertained… Hive Five Reader votes to identify the best products in a given category. Regulars We also run a series of regular columns covering specific topics in more depth: Road Worrier Technology advice and real-world tips for travellers. (If you want to access the US site, you can go to us./.) Our tips are sorted into seven main categories - Communicate, Design, Fix, Money, Organise, Travel and Work - and tagged so they’re easy to browse and locate. Lifehacker Australia runs all the best tips and posts from the US, eliminating the ones that are irrelevant for Aussies and adding our own daily helping of tips and tricks with an Australian focus. We provide tips for technology and for life which you can use to make yourself more productive, with an emphasis on free software and tools you can put to use online. RSS | Twitter | Facebook Part technology guide, part productivity tool, Lifehacker helps you organise your workday and maximise your playtime. About h1 Email tips or questions to the: Lifehacker Tips Box Phone: +61 2 8667 5444 How to contact our team.Aside from making a recording and selling it for a profit, what else can I do? Thanks for laughing at me. I was very persistent because this had been driving me crazy and I wanted relief. UNFORTUNATELY THIS METHOD did not work for me at all. This has been going on for three days now, changing the chords and key signature. Eventually, you’ll find almost any note that way. Being a musician, I think I can pick out the harmonics in the pink noise. I rocked my head back and forth on the pillow, smiling at the bizarre phenomenon. With hideous clogged sinuses, the chorus of angels soothed me. honest, folks: a chorus of angels in a major modal key. when I woke up again, the dirge had transformed itself into ………… I can almost not say it ……. I woke up several times during the night, just miserable with this awful dirge in a minor key screaming inside my head over and over. I wouldn’t believe someone else if s/he told me it happened to her/him. I took a Chinese herbal remedy before bed. Here’s the strangest thing: I discovered that if I listen, the background noise forms notes, and then the notes form music that will not stop. I couldn’t keep the tune because the tone interfered. It’s so loud and persistent that I couldn’t sing the Sabbath prayer Friday night at sunset. (It’s an F natural, for those of you who are musically inclined). Weird thing: The noise is loud “pink noise”, and there is a rather high pitched tone that is dominant. My sinuses have been so clogged that it’s causing a roaring sound in my head that I always call, “Brain noise”. ![]()
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