Eagleview Eye Clinic

Tag degenerative eye diseases

TITMUS FLY TEST

The Titmus fly test, also known as the Titmus stereo test or Titmus test, is a widely used assessment tool for evaluating stereopsis, which is the ability to perceive depth and 3D vision.

How it works:

  1. Polarized glasses: The patient wears polarized glasses.
  2. Image presentation: The patient views a series of images, including a fly or other objects, through the polarized glasses.
  3. Depth perception: The images are designed to create a sense of depth, and the patient is asked to identify the objects or shapes that appear to be raised or recessed.

Purpose:

The Titmus test is used to:

  1. Assess stereopsis: Evaluate the patient’s ability to perceive depth and 3D vision.
  2. Detect binocular vision problems: Identify issues with binocular vision, such as strabismus or amblyopia.
  3. Monitor treatment progress: Track changes in stereopsis during treatment or therapy.

Common applications:

  1. Pediatric vision screening: Often used in children’s vision screenings to assess depth perception.
  2. Vision therapy: Used to evaluate and improve binocular vision and stereopsis.
  3. Occupational vision assessments: May be used in certain occupations that require depth perception.

The Titmus fly test is a valuable tool for assessing stereopsis and binocular vision, helping practitioners diagnose and manage vision problems.

PROLIFERATIVE VITREORETINOPATHY

Proliferative Vitreoretinopathy (PVR)

Proliferative vitreoretinopathy (PVR) is a:

  • Complication of retinal detachment or eye injury
  • Characterized by:
    1. Scarring: Formation of fibrotic membranes in the vitreous and retina
    2. Retinal traction: Contraction of scar tissue, leading to retinal detachment or vision loss

Causes

  1. Retinal detachment: Previous detachment or surgery
  2. Eye injury: Trauma or inflammation

Treatment

  1. Surgery: Vitrectomy and membrane peeling to remove scar tissue
  2. Complex retinal surgery: May require multiple procedures

If you have PVR, consult a retina specialist for personalized advice and treatment to manage the condition and preserve vision.

FUNDUS ALBIPUNCTATUS

Fundus Albipunctatus

Fundus albipunctatus is a:

  • Rare, inherited condition affecting the retina
  • Characterized by:
    1. White or yellowish dots: In the retina
    2. Night blindness: Difficulty seeing in low light
    3. Variable visual impairment: May experience reduced vision

Causes

  1. Genetic mutation: Affecting the RDH5 gene

Treatment

  1. No cure: Currently, no cure available
  2. Supportive care: Regular eye exams, low vision aids

If you have fundus albipunctatus, consult an eye care professional or retina specialist for personalized advice and support to manage vision loss.

CHOROIDAL NEOVASCULARIZATION

Choroidal Neovascularization (CNV)

Choroidal neovascularization is a condition where new, fragile blood vessels grow from the choroid layer of the eye into the retina. This can cause:

  • Vision loss
  • Distortion
  • Blind spots

Causes

  1. Age-related macular degeneration (AMD): Most common cause
  2. Myopia: Nearsightedness
  3. Trauma: Eye injury
  4. Inflammatory disorders: Certain conditions like uveitis

Symptoms

  1. Distorted vision: Straight lines appear wavy
  2. Blind spots: Areas of decreased vision
  3. Vision loss: Central vision loss

Treatment

  1. Anti-vascular endothelial growth factor (anti-VEGF) injections: To reduce vessel growth
  2. Photodynamic therapy: To close new vessels
  3. Laser photocoagulation: To destroy new vessels

If you suspect CNV, consult an eye care professional for proper diagnosis and treatment to preserve vision.

BIRDSHOT CHRORETINOPATHY

Birdshot Chorioretinopathy

Birdshot chorioretinopathy is a rare, chronic inflammatory eye condition characterized by:

  • Inflammation of the choroid and retina
  • Multiple, small, orange-yellow lesions in the retina
  • Potential for vision loss

Symptoms

  1. Floaters: Spots or floaters in vision
  2. Blurred vision: Decreased visual acuity
  3. Night blindness: Difficulty seeing in low light
  4. Color vision defects: Difficulty distinguishing colors

Treatment

  1. Immunosuppressive therapy: Medications to reduce inflammation
  2. Corticosteroids: To control inflammation
  3. Biologics: Targeted therapies to reduce inflammation
  4. Monitoring: Regular eye exams to track disease progression

Complications

  1. Vision loss: Potential for permanent vision loss
  2. Cataracts: Increased risk of cataract development
  3. Glaucoma: Increased risk of glaucoma

If you have birdshot chorioretinopathy, work closely with an eye care professional to manage the condition and preserve vision.

CHORIODEREMA

Choroideremia

Choroideremia is a rare, inherited eye disorder characterized by:

  • Progressive loss of the choroid, retina, and retinal pigment epithelium
  • Night blindness
  • Loss of peripheral vision
  • Potential for central vision loss

Causes

  1. Genetic mutation: Mutations in the CHM gene
  2. X-linked inheritance: Primarily affects males

Symptoms

  1. Night blindness: Difficulty seeing in low light
  2. Peripheral vision loss: Loss of side vision
  3. Visual field defects: Blind spots or areas of decreased vision

Management

  1. Genetic counseling: Understanding inheritance patterns
  2. Low vision rehabilitation: Adapting to vision loss
  3. Research and clinical trials: Exploring potential treatments
  4. Regular eye exams: Monitoring disease progression

If you or a family member has choroideremia, consult with an eye care professional or genetic counselor for personalized guidance and support.