419 results
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
Onchocerciasis “River Blindness ... Microfilariae enter the eye ... Anterior uveitis => Blindness
The eye is very complex and contains various tissues and structures that work together to provide
The eye is very ... Eye problems can ... Eye disorders can ... blurred vision or blindness ... When the eyes are
Vitreous Hemorrhage on Ocular POCUS

Binocular vision loss - think cortical blindness, opt for CT/MRI
Monocular vision loss
think cortical blindness ... think intrinsic eye
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
Transmission -> Eye-seeking ... Lubrication • Dry eye ... => Blindness
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
• Loss of the eye ... non-functional eye ... Nyctalopia (night blindness
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
present with a red eye ... Significant cause of blindness ... frequent cause of blindness ... Occurs in small eyes ... nerve damage & blindness
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
all coats of the eye ... interior of the eye ... movements -> Pain with eye ... Endopthalmitis -> Blindness
Visual Field Pathways and Deficits
1 Total blindness of right eye due to complete lesion of right
Deficits 1 Total blindness ... of right eye due
Bitot's Spots- A 4-year-old boy was brought by his father to the ophthalmology clinic with a
deposits in both eyes ... both the right eye ... ) and the left eye ... can also cause blindness ... particularly night blindness
Fusarium Eye Infections - Keratitis and Endophthalmitis
Fungal Keratitis is an infection of the cornea that is
Fusarium Eye Infections ... caused by trauma to eye ... • S/sx include eye ... pain & redness, eye ... to irreversible blindness