Eagleview Eye Clinic

Archives October 2025

PTERYGIUM EXCISION

Pterygium excision is a surgical procedure to remove a pterygium, a non-cancerous growth on the conjunctiva that can cause irritation, redness, and vision problems. Here’s what you need to know:

Why is it performed?

  • To restore vision by removing the growth
  • To improve cosmetic appearance
  • To relieve chronic irritation and inflammation

Surgical Techniques

  • Simple Excision: A basic method where the pterygium is removed, but it has a higher risk of recurrence (around 10%)
  • P.E.R.F.E.C.T Technique: A more advanced method involving extensive removal of Tenon’s capsule and a conjunctival transplant, with a lower recurrence rate (around 0.1%)
  • Conjunctival Autograft: A technique where a piece of healthy conjunctiva is transplanted to cover the area after pterygium removal
  • Amniotic Membrane Graft: A method using donated amniotic membrane tissue to cover the area after pterygium removal ¹ ²

What to Expect

  • The procedure usually takes less than an hour
  • Local anesthesia is used to numb the eye
  • Post-operative care includes eye drops to prevent infection and inflammation
  • Recovery time can take several weeks

Risks and Complications

  • Infection
  • Recurrence of the pterygium
  • Abnormal scarring
  • Inflammation and irritation

Benefits

  • Effective in removing the pterygium and reducing symptoms
  • Can improve vision and cosmetic appearance
  • Low risk of complications with proper care ³ ⁴
LASH EPILATION

Lash epilation refers to the removal of eyelashes, typically performed for medical or cosmetic reasons. Methods include:

  • Plucking: Removing individual lashes with tweezers.
  • Waxing: Applying wax to remove multiple lashes at once.
  • Threading: Using a thread to remove lashes.

Lash epilation can be used to:

  • Treat trichiasis: A condition where lashes grow inward, causing irritation.
  • Prepare for surgery: In some cases, lash removal may be necessary before eye surgery.
  • Cosmetic purposes: Some individuals may choose lash epilation for aesthetic reasons.

It’s essential to have lash epilation performed by a trained professional to minimize risks and ensure proper aftercare.

SCHEMATIC EYES

Schematic eyes are simplified models of the human eye that help understand its optical properties and behavior. These models are used in ophthalmology and vision science to:

  • Simplify complex optics: Schematic eyes reduce the eye’s complexity, making it easier to understand how light interacts with its various components.
  • Predict optical behavior: By simulating the eye’s optical properties, schematic eyes can predict how light will behave in different situations.
  • Educate and train: Schematic eyes are valuable tools for teaching students and professionals about the eye’s anatomy and optics.

Types of Schematic Eyes

  • Gullstrand’s Schematic Eye: A widely used model that represents the eye as a series of spherical surfaces.
  • Le Grand’s Schematic Eye: Another well-known model that includes more detailed representations of the eye’s optical components.

Applications of Schematic Eyes

  • Ophthalmic research: Schematic eyes are used to study the eye’s optical properties and behavior in various conditions.
  • Optical design: Schematic eyes help design and optimize optical systems, such as corrective lenses and surgical instruments.
  • Vision correction: Understanding the eye’s optics through schematic eyes informs the development of vision correction techniques, like LASIK surgery.

Limitations of Schematic Eyes

  • Simplifications: Schematic eyes are simplified models, which can limit their accuracy in representing individual variations.
  • Assumptions: These models rely on assumptions about the eye’s anatomy and optical properties.

Despite these limitations, schematic eyes remain valuable tools for understanding the eye’s optics and behavior.

SCHEMATIC EYES

Schematic eyes are simplified models of the human eye that help understand its optical properties and behavior. These models are used in ophthalmology and vision science to:

  • Simplify complex optics: Schematic eyes reduce the eye’s complexity, making it easier to understand how light interacts with its various components.
  • Predict optical behavior: By simulating the eye’s optical properties, schematic eyes can predict how light will behave in different situations.
  • Educate and train: Schematic eyes are valuable tools for teaching students and professionals about the eye’s anatomy and optics.

Types of Schematic Eyes

  • Gullstrand’s Schematic Eye: A widely used model that represents the eye as a series of spherical surfaces.
  • Le Grand’s Schematic Eye: Another well-known model that includes more detailed representations of the eye’s optical components.

Applications of Schematic Eyes

  • Ophthalmic research: Schematic eyes are used to study the eye’s optical properties and behavior in various conditions.
  • Optical design: Schematic eyes help design and optimize optical systems, such as corrective lenses and surgical instruments.
  • Vision correction: Understanding the eye’s optics through schematic eyes informs the development of vision correction techniques, like LASIK surgery.

Limitations of Schematic Eyes

  • Simplifications: Schematic eyes are simplified models, which can limit their accuracy in representing individual variations.
  • Assumptions: These models rely on assumptions about the eye’s anatomy and optical properties.

Despite these limitations, schematic eyes remain valuable tools for understanding the eye’s optics and behavior.

SCHEMATIC EYES

Schematic eyes are simplified models of the human eye that help understand its optical properties and behavior. These models are used in ophthalmology and vision science to:

  • Simplify complex optics: Schematic eyes reduce the eye’s complexity, making it easier to understand how light interacts with its various components.
  • Predict optical behavior: By simulating the eye’s optical properties, schematic eyes can predict how light will behave in different situations.
  • Educate and train: Schematic eyes are valuable tools for teaching students and professionals about the eye’s anatomy and optics.

Types of Schematic Eyes

  • Gullstrand’s Schematic Eye: A widely used model that represents the eye as a series of spherical surfaces.
  • Le Grand’s Schematic Eye: Another well-known model that includes more detailed representations of the eye’s optical components.

Applications of Schematic Eyes

  • Ophthalmic research: Schematic eyes are used to study the eye’s optical properties and behavior in various conditions.
  • Optical design: Schematic eyes help design and optimize optical systems, such as corrective lenses and surgical instruments.
  • Vision correction: Understanding the eye’s optics through schematic eyes informs the development of vision correction techniques, like LASIK surgery.

Limitations of Schematic Eyes

  • Simplifications: Schematic eyes are simplified models, which can limit their accuracy in representing individual variations.
  • Assumptions: These models rely on assumptions about the eye’s anatomy and optical properties.

Despite these limitations, schematic eyes remain valuable tools for understanding the eye’s optics and behavior.

VISUAL ACUITY

Visual acuity refers to the sharpness and clarity of vision, measured by the ability to identify objects or patterns at a standard distance. It’s a crucial aspect of eye health and can be affected by various factors, including refractive errors, eye diseases, and age-related conditions.

Measurement of Visual Acuity

Visual acuity is typically measured using:

  • Snellen Chart: A standardized chart with letters or symbols of varying sizes, used to assess distance vision.
  • LogMAR Chart: A chart that measures visual acuity based on the logarithm of the minimum angle of resolution.

Factors Affecting Visual Acuity

  • Refractive Errors: Myopia (nearsightedness), hyperopia (farsightedness), and astigmatism can all impact visual acuity.
  • Eye Diseases: Conditions like cataracts, glaucoma, and age-related macular degeneration can affect visual acuity.
  • Age: Visual acuity can decline with age due to natural aging processes or age-related eye diseases.
  • Injuries or Trauma: Eye injuries or trauma can impact visual acuity.

Importance of Visual Acuity

  • Daily Activities: Visual acuity is essential for tasks like reading, driving, and recognizing faces.
  • Quality of Life: Good visual acuity can significantly impact overall quality of life and independence.
  • Early Detection: Regular eye exams can help detect visual acuity problems and underlying eye conditions, allowing for timely treatment and management.
VISUAL ACUITY

Visual acuity refers to the sharpness and clarity of vision, measured by the ability to identify objects or patterns at a standard distance. It’s a crucial aspect of eye health and can be affected by various factors, including refractive errors, eye diseases, and age-related conditions.

Measurement of Visual Acuity

Visual acuity is typically measured using:

  • Snellen Chart: A standardized chart with letters or symbols of varying sizes, used to assess distance vision.
  • LogMAR Chart: A chart that measures visual acuity based on the logarithm of the minimum angle of resolution.

Factors Affecting Visual Acuity

  • Refractive Errors: Myopia (nearsightedness), hyperopia (farsightedness), and astigmatism can all impact visual acuity.
  • Eye Diseases: Conditions like cataracts, glaucoma, and age-related macular degeneration can affect visual acuity.
  • Age: Visual acuity can decline with age due to natural aging processes or age-related eye diseases.
  • Injuries or Trauma: Eye injuries or trauma can impact visual acuity.

Importance of Visual Acuity

  • Daily Activities: Visual acuity is essential for tasks like reading, driving, and recognizing faces.
  • Quality of Life: Good visual acuity can significantly impact overall quality of life and independence.
  • Early Detection: Regular eye exams can help detect visual acuity problems and underlying eye conditions, allowing for timely treatment and management.
VISUAL ACUITY

Visual acuity refers to the sharpness and clarity of vision, measured by the ability to identify objects or patterns at a standard distance. It’s a crucial aspect of eye health and can be affected by various factors, including refractive errors, eye diseases, and age-related conditions.

Measurement of Visual Acuity

Visual acuity is typically measured using:

  • Snellen Chart: A standardized chart with letters or symbols of varying sizes, used to assess distance vision.
  • LogMAR Chart: A chart that measures visual acuity based on the logarithm of the minimum angle of resolution.

Factors Affecting Visual Acuity

  • Refractive Errors: Myopia (nearsightedness), hyperopia (farsightedness), and astigmatism can all impact visual acuity.
  • Eye Diseases: Conditions like cataracts, glaucoma, and age-related macular degeneration can affect visual acuity.
  • Age: Visual acuity can decline with age due to natural aging processes or age-related eye diseases.
  • Injuries or Trauma: Eye injuries or trauma can impact visual acuity.

Importance of Visual Acuity

  • Daily Activities: Visual acuity is essential for tasks like reading, driving, and recognizing faces.
  • Quality of Life: Good visual acuity can significantly impact overall quality of life and independence.
  • Early Detection: Regular eye exams can help detect visual acuity problems and underlying eye conditions, allowing for timely treatment and management.
VISUAL ACUITY

Visual acuity refers to the sharpness and clarity of vision, measured by the ability to identify objects or patterns at a standard distance. It’s a crucial aspect of eye health and can be affected by various factors, including refractive errors, eye diseases, and age-related conditions.

Measurement of Visual Acuity

Visual acuity is typically measured using:

  • Snellen Chart: A standardized chart with letters or symbols of varying sizes, used to assess distance vision.
  • LogMAR Chart: A chart that measures visual acuity based on the logarithm of the minimum angle of resolution.

Factors Affecting Visual Acuity

  • Refractive Errors: Myopia (nearsightedness), hyperopia (farsightedness), and astigmatism can all impact visual acuity.
  • Eye Diseases: Conditions like cataracts, glaucoma, and age-related macular degeneration can affect visual acuity.
  • Age: Visual acuity can decline with age due to natural aging processes or age-related eye diseases.
  • Injuries or Trauma: Eye injuries or trauma can impact visual acuity.

Importance of Visual Acuity

  • Daily Activities: Visual acuity is essential for tasks like reading, driving, and recognizing faces.
  • Quality of Life: Good visual acuity can significantly impact overall quality of life and independence.
  • Early Detection: Regular eye exams can help detect visual acuity problems and underlying eye conditions, allowing for timely treatment and management.
VISUAL ACUITY

Visual acuity refers to the sharpness and clarity of vision, measured by the ability to identify objects or patterns at a standard distance. It’s a crucial aspect of eye health and can be affected by various factors, including refractive errors, eye diseases, and age-related conditions.

Measurement of Visual Acuity

Visual acuity is typically measured using:

  • Snellen Chart: A standardized chart with letters or symbols of varying sizes, used to assess distance vision.
  • LogMAR Chart: A chart that measures visual acuity based on the logarithm of the minimum angle of resolution.

Factors Affecting Visual Acuity

  • Refractive Errors: Myopia (nearsightedness), hyperopia (farsightedness), and astigmatism can all impact visual acuity.
  • Eye Diseases: Conditions like cataracts, glaucoma, and age-related macular degeneration can affect visual acuity.
  • Age: Visual acuity can decline with age due to natural aging processes or age-related eye diseases.
  • Injuries or Trauma: Eye injuries or trauma can impact visual acuity.

Importance of Visual Acuity

  • Daily Activities: Visual acuity is essential for tasks like reading, driving, and recognizing faces.
  • Quality of Life: Good visual acuity can significantly impact overall quality of life and independence.
  • Early Detection: Regular eye exams can help detect visual acuity problems and underlying eye conditions, allowing for timely treatment and management.