Nontraumatic
Acute angle-closure glaucoma^
Anterior<unk> 
Conjunctivitis
Corneal erosion
Corneal ulcer^
Endophthalmitis^
Episcleritis
Herpes zoster ophthalmicus
Inflamed pinguecula
Inflamed pterygium
Keratoconjunctivitis
Keratoconus
Nontraumatic iritis
Scleritis^
Subconjunctival hemorrhage
Orbital trauma
Caustic keratoconjunctivitis^^
Corneal abrasion, Corneal laceration
Conjunctival hemorrhage
Conjunctival laceration
Globe rupture^
Lens dislocation
Ocular foreign body
Posterior vitreous detachment
Retinal detachment
Retrobulbar hemorrhage
Ocular compartment syndrome
Traumatic hyphema
Traumatic iritis
Traumatic mydriasis
Traumatic optic neuropathy
Vitreous detachment
Vitreous hemorrhage
Ultraviolet keratitis
Acute angle-closure glaucoma^
Anterior<unk> 
Conjunctivitis
Corneal erosion
Corneal ulcer^
Endophthalmitis^
Episcleritis
Herpes zoster ophthalmicus
Inflamed pinguecula
Inflamed pterygium
Keratoconjunctivitis
Keratoconus
Nontraumatic iritis
Scleritis^
Subconjunctival hemorrhage
Caustic keratoconjunctivitis^^
Corneal abrasion, Corneal laceration
Conjunctival hemorrhage
Conjunctival laceration
Globe rupture^
Lens dislocation
Ocular foreign body
Posterior vitreous detachment
Retinal detachment
Retrobulbar hemorrhage
Ocular compartment syndrome
Traumatic hyphema
Traumatic iritis
Traumatic mydriasis
Traumatic optic neuropathy
Vitreous detachment
Vitreous hemorrhage
Ultraviolet keratitis
Ocular compartment syndrome
^Emergent diagnoses
^^Critical diagnoses
Ocular causes
Floaters and/or flashes
Posterior vitreous detachment
Retinal tear or retinal detachment
Posterior<unk> 
Predominantly floaters
Vitreous hemorrhage secondary to proliferative retinopathy
Sympathetic ophthalmia
Predominantly flashes
Oculodigital stimulation
Rapid eye movements
Neovascular age-related macular degeneration
Nonocular causes
Migraine aura (classic)
Migraine aura (acephalgicmigraine)
Occipital lobe disorders
Postural hypotension
Floaters and/or flashes
Posterior vitreous detachment
Retinal tear or retinal detachment
Posterior<unk> 
Predominantly floaters
Vitreous hemorrhage secondary to proliferative retinopathy
Sympathetic ophthalmia
Predominantly flashes
Oculodigital stimulation
Rapid eye movements
Neovascular age-related macular degeneration
Posterior vitreous detachment
Retinal tear or retinal detachment
Posterior<unk> 
Vitreous hemorrhage secondary to proliferative retinopathy
Sympathetic ophthalmia
Oculodigital stimulation
Rapid eye movements
Neovascular age-related macular degeneration
Migraine aura (classic)
Migraine aura (acephalgicmigraine)
Occipital lobe disorders
Postural hypotension
Uveitis
Nontraumatic
Sinusitis
Acute angle-closure glaucoma^
Laryngitis
Anterior uveitis
Pharyngitis
Conjunctivitis