VIRAL CONJUNCTIVITIS
BY,
ROUF ABDUR
GROUP NO 7
8TH SEMESTER
Conjunctivitis
• Inflammation of conjunctiva.
• Conjunctival hyperaemia.
• Associated with discharge – watery , mucoid , mucopurulent or
purulent.
• Also known by names : Pink Eye OR Madras Eye.
Viral conjunctivitis
•Common in all age groups.
•Most common cause :
Adenovirus
•Most problematic cause:
Herpes simplex virus.
•Mostly , epithelium is
affected (both of cornea &
conjunctiva) so, typical viral
lesion is
Keratocunjunctivitis.
ETIOLOGY
• Adenovirus conjunctivitis
• Herpes simplex
keratoconjunctivitis
• Pox virus conjunctivitis
• Myxovirus conjunctivitis
• Paramyxovirus conjunctivitis
• Arbovirus conjunctivitis
Clinical presentations
•Acute Serous Conjunctivitis
•Acute Haemorrhagic Conjunctivitis
•Acute Follicular Conjunctivitis
Acute serous conjunctivitis
Etiology :
• Mild grade viral infection with no
follicular response.
Clinical Feature :
• Minimal degree of congestion
• Watery discharge
• Boggy swelling of conjunctival mucosa
Treatment:
• self limiting
• Broad spectrum antibiotics for 7days to
prevent secondary infection.
Acute haemorhagic conjunctivitis
• Acute inflammation of conjunctiva
characterized by :
a) Multiple Conjunctival Haemorrhages
b) Conjunctival Hyperaemia
c) Mild Follicular Hyperplasia.
• Etiology :
• Picornavirus (enterovirus type 70)
• Contagious.
• Clinical Picture :
• Incubation period : short (1-2 days).
• Symptoms : Pain , Redness , Watering
,Mild Photophobia , Transient Blurring
of Vision & Lid Swelling.
• Signs :
- Conjunctival Congestion
- Chemosis – swelling of conjunctiva
- Multiple Haemorrhages in Bulbar Conjunctiva
- Mild Follicular Hyperplasia
- Lid Oedema
- Preauricular Lymphadenopathy
• Corneal involvement in form of Fine Epithelial
Keratitis .
• Treatment :
• No specific curative treatment known.
• Prophylactic measures important.
• Broad spectrum antibiotic eye drops used for 5-7 days
to prevent secondary bacterial infection.
Acute follicular conjunctivitis
• Acute catarrhal conjunctivitis.
• Associated with marked follicular
hyperplasia especially of lower fornix &
lower palpebral conjunctiva.
Etiological Types :
Adult Inclusion Conjunctivitis
Epidemic Keratoconjunctivitis
Pharyngoconjunctival Fever
Newcastle Conjunctivitis
Acute Herpetic Conjunctivitis
• Epidemic Keratoconjunctivitis :
• Etiology :
- Most commonly associated serotypes include adenovirus 8, 19, and 37.
- Less frequently, serotypes 2-5, 7, 9, 10, 11, 14, 16, 21, and 29.
- Epidemics tend to occur in closed institutions (eg, schools, hospitals,
camps, nursing homes, workplaces).
- Direct contact with eye secretions is the major mode of transmission.
Clinical Picture :
•Incubation Period : about 8 days & virus is shed off in 2-3
weeks.
•Clinical Stages :
First phase – Acute Serous Conjunctivitis
Second phase – Typical Acute Follicular Conjunctivitis
Third phase – Acute Pseudomembranous Conjunctivitis
(severe cases)
Corneal involvement in form of Superficial Punctate
Keratitis
Preauricular Lymphadenopathy.
Clinical Picture :
•Incubation Period : about 8 days & virus is shed off
in 2-3 weeks.
•Clinical Stages :
First phase – Acute Serous Conjunctivitis
Second phase – Typical Acute Follicular
Conjunctivitis
Third phase – Acute Pseudomembranous
Conjunctivitis (severe cases)
Corneal involvement in form of Superficial
Punctate Keratitis
Preauricular Lymphadenopathy.
• Newcastle Conjunctivitis :
• Etiology :
- Rare
- Caused by Newcastle Virus.
- Contact with diseased Owls & Chickens .
- Mainly affects poultry workers.
• Clinically :
- Similar to Pharyngoconjunctival Fever.
• Diagnosis
 Through clinical features
 Culture , Smear & Stain
 Virus Isolation
• Medication
 Topical artificial tears - 4-8 times per day, for
1-3 weeks
 Topical vasoconstrictor/antihistamine - 4
times per day, for severe itching
 Topical steroids - For pseudomembranes and
subepithelial infiltrates
 Topical antibiotic - To prevent bacterial
superinfection
 Topical antiviral agents - For HSV infection
 Oral acyclovir - For VZV infection
Prevention
• Hygiene
• Avoid close contact with patients
• Patients should avoid rubbing eyes
• Vaccination against Adenovirus is
effective.

Viral conjunctivitis

  • 1.
  • 2.
    Conjunctivitis • Inflammation ofconjunctiva. • Conjunctival hyperaemia. • Associated with discharge – watery , mucoid , mucopurulent or purulent. • Also known by names : Pink Eye OR Madras Eye.
  • 3.
    Viral conjunctivitis •Common inall age groups. •Most common cause : Adenovirus •Most problematic cause: Herpes simplex virus. •Mostly , epithelium is affected (both of cornea & conjunctiva) so, typical viral lesion is Keratocunjunctivitis.
  • 4.
    ETIOLOGY • Adenovirus conjunctivitis •Herpes simplex keratoconjunctivitis • Pox virus conjunctivitis • Myxovirus conjunctivitis • Paramyxovirus conjunctivitis • Arbovirus conjunctivitis
  • 5.
    Clinical presentations •Acute SerousConjunctivitis •Acute Haemorrhagic Conjunctivitis •Acute Follicular Conjunctivitis
  • 6.
    Acute serous conjunctivitis Etiology: • Mild grade viral infection with no follicular response. Clinical Feature : • Minimal degree of congestion • Watery discharge • Boggy swelling of conjunctival mucosa Treatment: • self limiting • Broad spectrum antibiotics for 7days to prevent secondary infection.
  • 7.
    Acute haemorhagic conjunctivitis •Acute inflammation of conjunctiva characterized by : a) Multiple Conjunctival Haemorrhages b) Conjunctival Hyperaemia c) Mild Follicular Hyperplasia. • Etiology : • Picornavirus (enterovirus type 70) • Contagious. • Clinical Picture : • Incubation period : short (1-2 days). • Symptoms : Pain , Redness , Watering ,Mild Photophobia , Transient Blurring of Vision & Lid Swelling.
  • 8.
    • Signs : -Conjunctival Congestion - Chemosis – swelling of conjunctiva - Multiple Haemorrhages in Bulbar Conjunctiva - Mild Follicular Hyperplasia - Lid Oedema - Preauricular Lymphadenopathy • Corneal involvement in form of Fine Epithelial Keratitis . • Treatment : • No specific curative treatment known. • Prophylactic measures important. • Broad spectrum antibiotic eye drops used for 5-7 days to prevent secondary bacterial infection.
  • 9.
    Acute follicular conjunctivitis •Acute catarrhal conjunctivitis. • Associated with marked follicular hyperplasia especially of lower fornix & lower palpebral conjunctiva. Etiological Types : Adult Inclusion Conjunctivitis Epidemic Keratoconjunctivitis Pharyngoconjunctival Fever Newcastle Conjunctivitis Acute Herpetic Conjunctivitis
  • 10.
    • Epidemic Keratoconjunctivitis: • Etiology : - Most commonly associated serotypes include adenovirus 8, 19, and 37. - Less frequently, serotypes 2-5, 7, 9, 10, 11, 14, 16, 21, and 29. - Epidemics tend to occur in closed institutions (eg, schools, hospitals, camps, nursing homes, workplaces). - Direct contact with eye secretions is the major mode of transmission. Clinical Picture : •Incubation Period : about 8 days & virus is shed off in 2-3 weeks. •Clinical Stages : First phase – Acute Serous Conjunctivitis Second phase – Typical Acute Follicular Conjunctivitis Third phase – Acute Pseudomembranous Conjunctivitis (severe cases) Corneal involvement in form of Superficial Punctate Keratitis Preauricular Lymphadenopathy.
  • 11.
    Clinical Picture : •IncubationPeriod : about 8 days & virus is shed off in 2-3 weeks. •Clinical Stages : First phase – Acute Serous Conjunctivitis Second phase – Typical Acute Follicular Conjunctivitis Third phase – Acute Pseudomembranous Conjunctivitis (severe cases) Corneal involvement in form of Superficial Punctate Keratitis Preauricular Lymphadenopathy.
  • 12.
    • Newcastle Conjunctivitis: • Etiology : - Rare - Caused by Newcastle Virus. - Contact with diseased Owls & Chickens . - Mainly affects poultry workers. • Clinically : - Similar to Pharyngoconjunctival Fever. • Diagnosis  Through clinical features  Culture , Smear & Stain  Virus Isolation • Medication  Topical artificial tears - 4-8 times per day, for 1-3 weeks  Topical vasoconstrictor/antihistamine - 4 times per day, for severe itching  Topical steroids - For pseudomembranes and subepithelial infiltrates  Topical antibiotic - To prevent bacterial superinfection  Topical antiviral agents - For HSV infection  Oral acyclovir - For VZV infection Prevention • Hygiene • Avoid close contact with patients • Patients should avoid rubbing eyes • Vaccination against Adenovirus is effective.