Stan Isaacs ORTHOKERATOLOGY (ORTHO-K)

Experience freedom from glasses and daytime contacts. Ortho-K lenses gently reshape your cornea while you sleep, giving you crisp, clear vision throughout the day.

Why Choose Us?

With over 70 years of experience in eye care, our clinic, led by Stan Isaacs prioritises precision and innovation. Founded in 1948 by Frederick Jacob Isaacs, we’ve consistently set the benchmark for comprehensive eye care.
Equipped with an in-house laboratory, we ensure tailored solutions for each patient, continuously improving through research and technology adoption. Stan Isaacs specialises in Orthokeratology (Ortho-K), providing care for managing myopia. Our dedicated team ensures safety and comfort throughout the Ortho-K process, offering a proactive solution to myopia progression.
Ortho-K grants freedom from spectacles, enhancing daily activities and quality of life with unparalleled visual clarity. Unlike permanent surgeries, Ortho-K is reversible, allowing flexibility in treatment adjustment or cessation.

How Are We Different?

  • The modern generation of Ortho-K lenses use a design known as ‘reverse geometry’, which results in an ‘accelerated orthokeratology’ on account of technological, material and mechanical advances.
  • Computer Numberical Controlled (CNC) lathes allows detailed and patient – specific lens designs while high oxygen permeable rigid gas materials facilitate overnight wear.
  • Experienced Orthokeratologists ensuring comfortable and pleasant Ortho-K journey.

Key Benefits

Control myopia progression

Ortho-K offers an effective way to slow down the progression of myopia in children by preventing the elongation of the eyeball which leads to myopia.

Spectacle-free vision all day long

With consistent wear, you will be able to see clearly without having to wear spectacles during the day.

Safe and reversible process

With consistent wear, you will be able to see clearly without having to wear spectacles during the day.

An alternative to LASIK or refractive surgery

Ortho-K is currently considered one of the most preferred options for myopia management in children since surgical procedures are not recommended until one’s vision becomes stable.

Control Myopia Progression

Spectacle-Free Vision All Day Long

Safe and reversible process

An alternative to LASIK or refractive surgery

What is Ortho-K?

  • A corneal reshaping therapy using extended wear of uniquely designed rigid gas permeable (RGP) lenses
  • Worn during sleeping hours, and removed upon awakening to facilitate CLEAR VISION for the rest of the day
  • Corrects all form of refractive errors – Myopia, Hyperopia and Astigmatism
  • Safe and Reversible process, where change is temporary due to elasticity of our cornea
  • Unlike surgical methods, no tissue removal or damages
  • Provides Myopia Control

How does it work?

Shape of cornea before the ortho-k lens

Shape of cornea before the ortho-k lens

With the fitted lens on before sleeping

With the fitted lens on before sleeping

With the fitted lens on before sleeping

With the fitted lens on after sleeping

With the lens off throughout the day

With the lens off throughout the day

Ortho-K lenses are gas permeable contact lenses that are specially shaped and fitted accordingly to each individual’s eyes. They are worn at night to reshape the cornea during sleep and then removed during the day.
When worn overnight, the Ortho-K lens gently presses the cornea, causing the centre of the cornea to gradually flatten and moulding the cornea to the correct shape that focuses light onto the retina. When removed, the cornea remains flattened and vision is corrected without the need for spectacles during the day.

Who is Ortho-K recommended for?

Night lenses are suitable for...

  • Children with progressive myopia
  • All age groups
  • Dry eyes and problems with daily contact lenses

Suitability Depends On:

  • Refractive error
  • Corneal curvature and structure
  • Tear film integrity
  • Motivation and hygiene complicances
If you have myopia and want to control it’s progression and be surgery-free and spectacles free, Orthokeratology is an option to consider.
For children with myopia and adults with progressing myopia, it is important to control and manage the progression of myopia as high myopia leads to an exponential increased risk of secondary eye diseases.

Myopia

  • Commonly known as short-sightedness
  • Happens when eyeball is too long, crystalline lenses or cornea becomes too thick
  • Genetic factors play a role in development of myopia, the risk of a child developing myopia is higher when one or both parents are myopic compared to a child whose parents are not.
  • Habits such as large amount of close work and moving object reading, video and smartphone games, lead to a mal-adaptation of the visual system. Thus leading to irreversible physical changes, such as eyeball elongation.
  • Low exposure to natural light increases the chance of a child developing myopia, and furthermore determines how rapidly it progresses (Johannes Gutenberg Universitaet Mainz, 2016).

An important consequence of Myopia

  • Exponential increased risk of secondary eye diseases
  • It is predicted that by 2050 around half the world’s population will be myopic (Holden et al. 2016)
  • Early detection and correction for children may arrest progress.
  • Management of myopia is purely slowing, or at best, halting progression. Awareness of environmental risks and appropriate behaviours can also prevent/slow progression of myopia.
Studies on myopia demonstrated association of high myopia with myopic parents, environmental factors and reading habits.
The chart on the left demonstrates the estimated risks of having these sight-threatening eye diseases according to the eye refractive errors.

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