7. Blunt Ocular Injury

8/10/2019 7. Blunt Ocular Injury

1/13

Sistem Kedaruratan &Sistem Kedaruratan &

TraumatologiTraumatologiLens DislocationLens Dislocation

Dr.A.AFIFUDIN Sp MDr.A.AFIFUDIN Sp M

Bagian I.K. Mata Fakultas KedokteranBagian I.K. Mata Fakultas Kedokteran

UNIVESITAS !ASANUDDINUNIVESITAS !ASANUDDIN


2/13


3/13


4/13

Trauma "#uli $ "#ular In%urTrauma "#uli $ "#ular In%ur

a' Blunt "#ular In%ura' Blunt "#ular In%ur(' )enetrating "#ular In%ur(' )enetrating "#ular In%ur

#' *+emi#al "#ular In%ur#' *+emi#al "#ular In%ur


5/13

Blunt "#ular In%urBlunt "#ular In%ur

*ompressi,e -or#e results in ,as#ular disruption and (leeding into t+eglo(e. From S+ingleton B/0 !ers+ )S0 Kenon K 1 Ee Trauma. St. 2ouis0*.V. Mos(0 34430 p.3560 7it+ permission.'


6/13

T+e se,en tpi#al anterior tears t+at o##ur -ollo7ing (lunt trauma to t+e

ee. From S+ingleton B/0 !ers+ )S0 Kenon K1 Ee Trauma. St. 2ouis0 *.V.Mos(0 34430 p.3380 7it+ permission.'


7/13


8/13


9/13

Angle recession, a tear in the anterior face of the ciliary bodyAngle recession, a tear in the anterior face of the ciliary bodybetween the longitudinal and circular ciliary body muscle (tearbetween the longitudinal and circular ciliary body muscle (tearwithin the ciliary body itself)within the ciliary body itself)

Cyclodialysis is a tear between the ciliary body and the scleralCyclodialysis is a tear between the ciliary body and the scleralspur (ciliary body is torn from its attachment at the scleralspur (ciliary body is torn from its attachment at the scleralspur)spur)

Disinsertion of the uvea from the sclera allows free passage ofDisinsertion of the uvea from the sclera allows free passage ofthe anterior chamber aqueous fluid to the suprachoroidalthe anterior chamber aqueous fluid to the suprachoroidal

space, therefore permitting direct access to the uveoscleralspace, therefore permitting direct access to the uveoscleraloutflow pathway. Temporary or permanent hypotony is usual.outflow pathway. Temporary or permanent hypotony is usual.A cyclodialysis cleft should be suspected and carefullyA cyclodialysis cleft should be suspected and carefullysearched for when the !" remain low after ocular traumasearched for when the !" remain low after ocular trauma

Trabecular meashwor#Trabecular meashwor# trabecular meashwor# teartrabecular meashwor# tear

ridodialysisridodialysis separation of the iris from iris root$peripheralseparation of the iris from iris root$peripheralirisiris

%etinal dialysis%etinal dialysis separation of the retina from the ora serrataseparation of the retina from the ora serrata


10/13

The ocular in&uries that may be associated with a traumaticThe ocular in&uries that may be associated with a traumatichyphemahyphema

A hyphema is blood in the anterior chamber.A hyphema is blood in the anterior chamber.

The appearance of a hyphema may range from microscopic,The appearance of a hyphema may range from microscopic,seen only at the slit lamp as erythrocyt circulating in theseen only at the slit lamp as erythrocyt circulating in theaqueous, to total hyphema that fills the entire anterioraqueous, to total hyphema that fills the entire anteriorchamberchamber

"athophysiology of a traumatic hyphema ' blunt ocular trauma"athophysiology of a traumatic hyphema ' blunt ocular traumaresult in ocular indentation, which causes a sudden epansionresult in ocular indentation, which causes a sudden epansionof ocular tissues and an immediate rise in the !". The suddenof ocular tissues and an immediate rise in the !". The sudden

forceful displacement of the cornea and limbus posteriorly andforceful displacement of the cornea and limbus posteriorly andperipherally may result in splitting or tearing of these tissues.peripherally may result in splitting or tearing of these tissues.As the tissues tear, blood vessels in the vicinity may rupture,As the tissues tear, blood vessels in the vicinity may rupture,resulting in a hyphemaresulting in a hyphema


11/13

CT!"A *+TCT!"A *+T

ctopia lentis is lens displacement, may occur as congenital,ctopia lentis is lens displacement, may occur as congenital,developmental or acquired disorderdevelopmental or acquired disorder

ubluated lens, is partial displacement of the lens from itsubluated lens, is partial displacement of the lens from itsnormal position but still within pupillary areanormal position but still within pupillary area

*uated $ dislocated lens, is complete displacement of the*uated $ dislocated lens, is complete displacement of thelens out pupillary arealens out pupillary area

ymptoms and signs of subluation 'ymptoms and signs of subluation '

- decreased vision- decreased vision

- astigmatism- astigmatism

- monocular diplopia- monocular diplopia

- iridodenesis- iridodenesis


12/13

ctopia lentis complications'ctopia lentis complications'

- cataract- cataract

- dislocation to anterior chamber- dislocation to anterior chamber

- dislocation at the pupil- dislocation at the pupil pupillary bloc#pupillary bloc#and angle closure glaucoma and angle closure glaucoma

- dislocation to posterior- dislocation to posterior vitreous cavityvitreous cavity

anagement'anagement'

*ens etraction (surgery)*ens etraction (surgery)


13/13

Documents

7. Blunt Ocular Injury