ocular

cornea

Eye's clear outer dome

• irisEye's pigmented disc
• pupilLearner or eye opening
• retinaLight-sensing tissue layer

sclera · lens · conjunctiva · macula · vitreous · aqueous · fovea · orbit · eyeball · choroid

sight

Visual perception faculty

• gazeFixed, intent look
• glanceBrief, casual look
• stareProlonged fixed gaze

observe · peer · squint · blink · focus · fixation · tracking · convergence · accommodation · saccade

telescope

Instrument magnifying faraway objects

• microscopeInstrument for viewing minute objects
• eyepieceLens you look through
• periscopeAngled optical viewing tube

viewfinder · ophthalmoscope · loupe · biomicroscope

optometrist

Vision care professional

• ophthalmologistEye disease physician
• retinoscopyObjective refraction measurement technique
• refractionWave bending between media

acuity · dilation · tonometry · perimetry

glaucoma

Pressure damages optic nerve

• astigmatismIrregular corneal curvature disorder
• cataractClouded eye lens
• uveitisUveal layer inflammation

keratitis · conjunctivitis · retinopathy · strabismus · amblyopia · nystagmus

• visionsharp, eye, visual perception, sight, eyes
• anatomy termsanterior, posterior, dorsal, ventral, medial
• medical adjectivessurgical, cardiac, orthopedic, malignant, respiratory
• observation devicestelescope, microscope, camera, periscope, spyglass
• drug deliverydrug delivery, injection, time release, delayed release, capsule
• drug routesoral, nasal, inhalation, injection, sublingual