The Injured Iris!
𝘐𝘳𝘪𝘥𝘰𝘥𝘪𝘢𝘭𝘺𝘴𝘪𝘴
Localised separation/detachment of iris root from its attachment to the ciliary body
𝘊𝘢𝘶𝘴𝘦𝘴:
● Blunt trauma
● Penetrating trauma
● Iatrogenic during intraocular surgery
𝘚𝘺𝘮𝘱𝘵𝘰𝘮𝘴:
● Small iridodialysis may be asymptomatic
● Superior iridodialysis will be covered by upper eyelid and can be asymptomatic
● Large and Temporal iridodialysis are usually symptomatic: Monocular diplopia, glare,photophobia
𝘚𝘪𝘨𝘯𝘴:
● Black area at the periphery of the iris with D shaped pupil
● Visible red reflex through the black area
● Corectopia/polycoria
I𝘵 𝘪𝘴 𝘱𝘢𝘳𝘵 𝘰𝘧 𝘵𝘩𝘦 𝟽 𝘳𝘪𝘯𝘨𝘴 𝘰𝘧 𝘵𝘳𝘢𝘶𝘮𝘢:
● Sphincter pupillae tears
● Iridodialysis
● Angle recession
● Cyclodialysis
● Trabecular meshwork tear
● Zonular dialysis
● Retinal dialysis
Can be associated with angle recession, glaucoma, hyphema, lens dislocation
Traumatic iridodialysis→ high risk of angle recession→ glaucoma
𝘛𝘳𝘦𝘢𝘵𝘮𝘦𝘯𝘵:
● Tinted contact lenses
● Surgical repair
● Management of hyphema and glaucoma
Image from Rajan Eye Care Hospital
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