Related by context. Frequent words. (Click for all words.) 53 bifocal 52 refractive error 50 corrective lenses 49 lenses 48 antihypertensive medications 48 phototherapy 47 active shutter glasses 47 contact lenses 47 monocular 46 polarized glasses 46 Aerobic exercise 46 refractive errors 46 astigmatism 46 compression stockings 45 vitamin D supplement 45 wear sunscreen 45 containing DEET 45 binocular 45 UV exposure 45 UVR 45 multifocal 45 intraocular pressure 44 contact lens wearers 44 protective eyewear 44 EEGs 44 CPAP machine 43 nearsightedness 43 outdoors 43 aerobic activity 43 DAYTRANA 43 inhaled steroids 43 glasses 43 dental checkups 43 eyedrops 43 amenorrhea 43 cotinine levels 43 impaired fasting glucose 42 supplemental oxygen 42 prescription eyeglasses 42 IOLs 42 daily multivitamin 42 amblyopia 42 Sedentary 42 eyepiece 42 sunscreen 42 picaridin 42 eyewear 42 cataract surgery 42 PFDs 41 presbyopia 41 Bring binoculars 41 vitamin D deficiency 41 binocular vision 41 Bring flashlight 41 vitamin D intake 41 protective goggles 41 photosensitivity 41 melasma 41 strabismus 41 vitamin D supplements 41 Dress warmly 41 lens 41 sedentary 41 compression garments 41 prescription eyewear 41 insulin pump 40 cataracts 40 knee osteoarthritis 40 3D glasses 40 aerobic exercise 40 HbA1c levels 40 retinopathy 40 protective clothing 40 protective headgear 40 METs 40 visual impairment 40 aspirin therapy 40 dosimeter 40 cognitively impaired 40 ibuprofen 40 vitamin D3 40 index BMI 40 Dress appropriately 40 exercisers 40 hearing aids 40 Pedometers 40 systolic blood pressure 40 long sleeved shirts 40 knee OA 40 LASIK surgery 39 goggles 39 ambulation 39 magnifiers 39 Crystalens 39 3D eyewear 39 intraocular 39 sturdy shoes 39 severe hypoglycemia 39 intraocular lenses 39 UVB radiation 39 wears glasses