11 results
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
, anterior and posterior ... Episcleritis Ocular ... UVEA: comprised Iris ... #Red #eye #Conjunctivitis ... #diagnosis #ophthalmology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Iris 7. ... Ocular Adverse Effects ... /Iris: • Keratitis ... Conjunctiva/Uvea: • Conjunctivitis ... differential #diagnosis #ophthalmology
Iridodonesis

Physical examination revealed iridodonesis, or “dancing” of the iris, which was elicited by rapid movement of
was elicited by rapid ... dislocation of the lens ... with Marfan’s syndrome ... PhysicalExam #Video #Ophthalmology ... #Signs #Ocular
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Approach to an Eye ... Accommodation, RAPD ... Cornea D. ... Iris F. ... Lens G.
Normal eye - Anterior chamber (a): Located between hyperechoic cornea anteriorly and iris posteriorly Lens (L):
Normal eye - Anterior ... between hyperechoic cornea ... anteriorly and iris ... posteriorly Lens ... #Ophth #POCUS #Ocular
Iridodonesis

Physical examination revealed iridodonesis, or “dancing” of the iris, which was elicited by rapid movement of
was elicited by rapid ... dislocation of the lens ... with Marfan’s syndrome ... PhysicalExam #Video #Ophthalmology ... #Signs #Ocular
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Brainstem herniation (Comatose ... Constricted pupils less ... , Posterior Synechiae ... , Pilocarpine, Iris ... differential #diagnosis #ophthalmology
FIGURE 2. UVEITIS.  COURTESY OF WIKIMEDIA COMMONS AND JONATHAN TROBE, MD.

The classic symptoms of anterior
include: - Painful eye ... the edge of the cornea ... sphincter or posterior ... to lens) #Clinical ... #Ophthalmology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Locked-in syndrome ... the bilateral cortex ... light reflex • Corneal ... • Vestibulo-ocular ... : • Bobbing: Rapid
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
nerve palsy • Horner ... change • Contact lens ... retraction of one eye ... contralateral eye ... Differential #Diagnosis #ophthalmology