| No. | Item | Definition |
|---|---|---|
| 1. | abrasion | surface scrape |
| 2. | amblyopia | reduced vision from poor development |
| 3. | angiography | imaging of blood vessels |
| 4. | anterior chamber | space between cornea and iris |
| 5. | antibiotic | drug against bacterial infection |
| 6. | aqueous humor | clear fluid in front chamber |
| 7. | astigmatism | uneven corneal or lens curvature |
| 8. | biopsy | tissue sample for testing |
| 9. | blepharitis | eyelid margin inflammation |
| 10. | blind spot | normal area lacking vision |
| 11. | cataract | clouding of the eye lens |
| 12. | chalazion | blocked eyelid gland lump |
| 13. | choroid | vascular layer beneath retina |
| 14. | color vision | ability to distinguish colors |
| 15. | conjunctiva | thin membrane covering eye surface |
| 16. | conjunctivitis | inflammation of the conjunctiva |
| 17. | contact lens | lens worn on the eye |
| 18. | cornea | clear front eye surface |
| 19. | diabetic retinopathy | retinal damage from diabetes |
| 20. | diagnosis | identification of a disease |
| 21. | dilation | widening of the pupil |
| 22. | diplopia | double vision |
| 23. | discharge | fluid coming from the eye |
| 24. | drops | liquid medicine for the eye |
| 25. | dry eye | insufficient or unstable tears |
| 26. | edema | swelling from excess fluid |
| 27. | exam | medical inspection or test |
| 28. | exudate | fluid leaked into tissue |
| 29. | eye | organ of vision |
| 30. | eyeglasses | corrective lenses in frames |
| 31. | eyelid | skin fold covering the eye |
| 32. | fixation | steady gaze on a target |
| 33. | foreign body | object stuck in the eye |
| 34. | fovea | retinal center of sharpest vision |
| 35. | fundus | interior back surface of eye |
| 36. | glaucoma | disease damaging the optic nerve |
| 37. | gonioscopy | angle examination with special lens |
| 38. | graft | transplanted tissue |
| 39. | hemorrhage | bleeding |
| 40. | hyperopia | farsightedness |
| 41. | implant | device placed inside the body |
| 42. | intraocular pressure | pressure inside the eye |
| 43. | iris | colored ring around pupil |
| 44. | ischemia | reduced blood supply |
| 45. | keratitis | corneal inflammation |
| 46. | lacrimal duct | tear drainage passage |
| 47. | lacrimal gland | tear-producing gland |
| 48. | laser | focused light used in treatment |
| 49. | LASIK | laser vision correction surgery |
| 50. | lens | focuses light inside the eye |
| 51. | lesion | area of damaged tissue |
| 52. | macula | central retina for sharp vision |
| 53. | macular degeneration | damage to central retina |
| 54. | meibomian gland | eyelid oil-secreting gland |
| 55. | myopia | nearsightedness |
| 56. | neovascularization | growth of abnormal new vessels |
| 57. | neuritis | nerve inflammation |
| 58. | night blindness | poor vision in dim light |
| 59. | nystagmus | involuntary rhythmic eye movement |
| 60. | occlusion | blockage of a vessel |
| 61. | ointment | thick medicine applied to eye |
| 62. | ophthalmoscope | instrument to view eye interior |
| 63. | optic disc | spot where optic nerve exits |
| 64. | optic nerve | nerve carrying visual signals |
| 65. | orbit | bony socket of the eye |
| 66. | pachymetry | corneal thickness measurement |
| 67. | perimetry | visual field testing |
| 68. | photophobia | light sensitivity |
| 69. | posterior chamber | space behind iris |
| 70. | presbyopia | age-related near focus loss |
| 71. | prognosis | expected course of disease |
| 72. | ptosis | drooping upper eyelid |
| 73. | pupil | opening that lets light in |
| 74. | redness | abnormal eye redness |
| 75. | refraction | bending of light by eye |
| 76. | retina | light-sensitive inner eye layer |
| 77. | retinal detachment | retina pulling away from back |
| 78. | retinopathy | disease of the retina |
| 79. | scar | fibrous tissue after healing |
| 80. | sclera | white outer coat of eye |
| 81. | screening | testing before symptoms appear |
| 82. | sign | finding observed by clinician |
| 83. | slit lamp | microscope for eye examination |
| 84. | strabismus | eye misalignment |
| 85. | stye | infected eyelid gland lump |
| 86. | symptom | problem noticed by patient |
| 87. | tear film | thin moisture layer on eye |
| 88. | tearing | excess tear production |
| 89. | tonometry | measurement of eye pressure |
| 90. | transplant | transfer of tissue or organ |
| 91. | tumor | abnormal tissue growth |
| 92. | ulcer | open sore on tissue |
| 93. | ultrasound | imaging with sound waves |
| 94. | uvea | middle pigmented eye layer |
| 95. | uveitis | inflammation of the uvea |
| 96. | vision | ability to see |
| 97. | visual acuity | sharpness of vision |
| 98. | visual field | entire area seen at once |
| 99. | vitreous | gel filling the eye |
| 100. | zonules | fibers holding the lens |
