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Are YOUR One Pair of Eyes In… ©2009 Nationwide Children’s Hospital www.nationwidechildrens.org/onepairofeyes Structures • 5 questions What controls the size of the pupil? A. B. C. D. Retina Cornea Iris Vitreous The innermost layer of the eye, which receives images upside-down, and sends them to the brain is the… A. B. C. D. Lens Retina Macula Fovea Don’t fire until you see the whites (______) of their eyes! -- Colonel William Prescott, Battle of Bunker Hill, June 17, 1775 A. B. C. D. Retinas Irises Scleras Rods & Cones Your eye’s choroid layer’s claim to fame is high ________. A.Light B.Focus C.Lubrication D.Blood flow The curved front of the eye has many layers and is easily injured. A. B. C. D. Cornea Optic nerve Pupil Vitreous body Functions • 5 questions The curve of the clear cornea accounts for ____% of your eyes’ ability to focus A. B. C. D. Less than 1% 15% 80% 99.99% The macula is the back area of the retina that contains the fovea. It helps provide best ____ vision. A. B. C. D. Central Beta Night Color The optic nerve sends signals from the retina to the ______ which interprets the input so we can see. A. B. C. D. Lens Brain Zonules Ciliary Body The aqueous humor fills the front of the eye with…. A. B. C. D. Comedy Light Fluid Color The conjunctiva is a normally clear mucous membrane that lines the eyelid and covers the front of the eye. It’s susceptible to infections like…. A. Pink Eye B. Macular Degeneration C. Ocular Neuropathy D. Sclerosis GROSS Eye Injuries! 5 Questions Corneal scratching may be the result of severe exposure to… A.Dust B.Sand C.Sunlight D.Both A & B Face shields are essential for protecting the eye and surrounding tissue from… A.Heat B.Dust C.Light D.Irritants Laser light over .005 watts/cm2 require filter lenses to prevent burns to the… A. Eyelid B. Contacts C. Retina D. Optic Nerve Because they can penetrate the cornea, chemicals that are the most harmful to eyes, are usually…. A.Acids B.Alkalis C.Irritants D.Neutral pH Hypema (blood in the eye) is usually a result of a ______________ injury. A. Light B. Blunt Impact C. Dust D. Chemical Prevention • 5 questions When using chemicals, always use at least…. A. B. C. D. Cosmetic contacts Filter lenses Sports goggles Splash goggles When using high heat, such as welding, use an industrial shield… A. B. C. D. If you feel like it. Only if you are reminded. When no one is looking. Always, always, always. The BEST way to avoid heat and impact injuries from fireworks is to… A. Wear goggles B. Only use legal fireworks C. Go to West Virginia or Kentucky D. Go to a professional show where you will be far away from explosions To help prevent cataracts, protect your eyes from the sun with… A. pH neutral substances B. ANZI 87 goggles C. 100% UVA/UVB sunglasses D. SPF30 Lotion Common infections like Pink Eye can be largely avoided with consistent…. A. X-Box exposure B. Carrot consumption C. Facebook updates D. Hand-washing Contact lens Care • 5 questions Never moisten contact lenses in your mouth/with saliva, because… A. …it isn’t salty like tears. B. …it’s free. C. …watching you do it is not attractive. D. …your mouth is full of bacteria! Your eye doctor said to only use a certain brand of contact lens solution, because…. A. s/he gets a kick-back from the manufacturer. B. s/he wants to be sure what you are using has the right amounts of chemicals for your particular lenses. C. it can be as important as your prescription. D. B and C. When handling your contacts, make sure your hands are… A.Filthy dirty. B.Coated with oily moisturizer. C.Clean and over a protected surface. D.Behind your back. If you wear makeup, protect your contact lens-wearing eyes from A. Water-based and lash-extending mascara. B. Hairspray (use it before putting in lenses or keep eyes closed for several seconds). C. Cream-based foundation and lotions. D. Fake eyelash cement. E. Nail polish remover. F. All of the above. Your cologne or perfume can… A. Be a little strong, tone it down! B. Damage contact lenses with its fumes. C. Make a nice gift. D. None of the above. Thanks for playing! Keep your One Pair of Eyes safe! ©2009 Nationwide Children’s Hospital www.nationwidechildrens.org/onepairofeyes