- primary glaucoma
- primary openangle glaucoma
- primary optic atrophy
- primary photoceptor dystrophy
- prismatic lens
- probing of lacrimal passage
- progressive inherited retinal arteriolar tortuosity
- progressive pterygium
- progressive subretinal fibrosis
- projection perimeter
- projectoscope
- prolapse of iris
- prolapse of vitreous
- proliferative diabetic retinopathy, PDR
- proliferative vitreoretinopathy, PVR
- prone test
- protanomalia
- protanopsia
- protective spectacles
- protozoal uveitis
- protrusion of intraorbital fat
- provocative test for glaucoma
- proximal convergence
- pseudofluorescence
- pseudoisochromatic chart
- pseudomacula
- pseudomembranous conjunctivitis
- pseudomonas aeruginosa corneal ulcer
- pseudomyopia
- pseudopapillitis
- pseudophakic eye
- pseudopterygium
- pseudoptosis
- pseudostrabismus
- pseudotumor of orbit
- pseudovitelliform macular degeneration
- pterygium
- pterygium transplantation
- ptosis
- pulsating exophthalmos
- punctate cataract
- punctum dilator
- pupillary block
- pupillary membrane
- pupillary pharmacodynamic test
- pupillogram
- pupillometer
- pupillometry
- pyramidal cataract
- quadrantanopsia