The post-surgical management of the pediatric aphakic is important. Contact lens is the best optical device in the post-operative aphakia to provide good visual quality.
This presentation include what are the pre-assessment required for fitting Contact lens in children and process of insertion and removal with a small knowledge about different lens that we can use for pediatric Contact lens
Presenters :
Jenil Shelsiya
Sisira PS
Gopika Jyothirmayan
Special Thanks To Sushma Shrestha
and Mentor Deepak Rai (Optometrist).
If any query,Viewers are requested to refer to book for detailed explanation or can ask me question directly in the comment box. Answers will be given from Presenter's side.
This presentation include what are the pre-assessment required for fitting Contact lens in children and process of insertion and removal with a small knowledge about different lens that we can use for pediatric Contact lens
Presenters :
Jenil Shelsiya
Sisira PS
Gopika Jyothirmayan
Special Thanks To Sushma Shrestha
and Mentor Deepak Rai (Optometrist).
If any query,Viewers are requested to refer to book for detailed explanation or can ask me question directly in the comment box. Answers will be given from Presenter's side.
Contact lens for congenital aphakia and other eye conditions for infants and toddlers. The slide presentation encompasses indications for CL fitting in paediatric, contact lens options, fitting techniques, challenges and contact lens as myopia control.
Active Vision Therapy in Management of Amblyopia (healthkura.com)Bikash Sapkota
DIRECT DOWNLOAD LINK ❤❤https://healthkura.com/lazy-eye-amblyopia/❤❤
In the request of my viewers, I have compiled my works here in a website. Visit this website (healthkura.com) to freely download this presentation along with other tons of presentations. Some useful links are given here.____Remember___healthkura.com
Active Vision Therapy in Management of Amblyopia
- Pleoptics
- Near activities
- Active stimulation therapy using CAM vision stimulator
- Syntonic phototherapy
- Role of perceptual learning
- Binocular stimulation
- Software-based active treatments
- Exposure to dark
- Pharmacological Therapy
Restrictive strabismus is form of squint which is rare in origin. Here various form of restrictive squint have been explained, its diagnosis and its management is briefly explained.
Contact lens for congenital aphakia and other eye conditions for infants and toddlers. The slide presentation encompasses indications for CL fitting in paediatric, contact lens options, fitting techniques, challenges and contact lens as myopia control.
Active Vision Therapy in Management of Amblyopia (healthkura.com)Bikash Sapkota
DIRECT DOWNLOAD LINK ❤❤https://healthkura.com/lazy-eye-amblyopia/❤❤
In the request of my viewers, I have compiled my works here in a website. Visit this website (healthkura.com) to freely download this presentation along with other tons of presentations. Some useful links are given here.____Remember___healthkura.com
Active Vision Therapy in Management of Amblyopia
- Pleoptics
- Near activities
- Active stimulation therapy using CAM vision stimulator
- Syntonic phototherapy
- Role of perceptual learning
- Binocular stimulation
- Software-based active treatments
- Exposure to dark
- Pharmacological Therapy
Restrictive strabismus is form of squint which is rare in origin. Here various form of restrictive squint have been explained, its diagnosis and its management is briefly explained.
Pediatric Ophthalmic dispensing in different visual problemsRaju Kaiti
Pediatric dispensing, introduction, different from adult dispensing, frame selection, lens selection, special case fitting, Do's and Dont's, Measurements, Down's syndrome, albinism, aphakia, strabismus, syndromes
Scleral lens is a large rigid contact lens with a diameter range of 15mm to 25mm. Its resting point is beyond the
corneal borders, and are believed to be among the best vision correction options for irregular corneas. Wearing scleral lens also can postpone or even prevent surgical intervention as well as decrease the risk of corneal scarring.
NW2012 Intraocular Lens Design and Effects on VisionNawat Watanachai
some information about intraocular lens materials, designs; and their effect on surgery and visual function.
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2. Why fit children with contact lenses?
Aphakia
Cataract, persistent hyperplastic primary vitreous
(PHPV), post-partum trauma
Refractive error
Anisometropia & amblyopia
Binocular vision
Appearance
Myopia control
3. Cataract & Aphakia
Congenital cataract : surgery as early as possible
Infantile cataract : surgery once vision
interfered Unilateral
Cataract
Come with
concomitant
strabismus
Associated
with ocular
anomalies
Higher risk of
ambloypia
Bilateral
Cataract
Come with
nystagmus
Associated
with systemic
disorders
5. Post Operative CorrectionSpectacles
• Narrow visual field
to 30°
• Retinal size
disparity
• Heavy and large
frame
ContactLenses
• Best choice for
post-operative
aphakia
• Allow changes for
visual correction
with IOL upon
visual maturity
• Good visual
quality
Intraocularlens(IOL)
• Excellent visual
quality
• High risk of
complications (eg:
PCO)
• Challenging in
predicting future
refractive shifts
due to immature
visual system
• Induced corneal
astigmatism
6. Contact Lens Considerations
Power changes
First 11 – 18 months: expected to decrease ~ 10D
Need for supplementary spectacles?
Wound healing
Ocular medications
Systemic condition
Compliance
7. Contact Lens in Pediatric
Fitted immediately after cataract surgery
Available in
a) Hydrogel lens
b) Silicone elastomer
c) RGP
Require near correction:
Until age 2 : overcorrect by +3.00 D
Age 2 – 3 : overcorrect by +1.00D to +1.50D
After age 3 : bifocal with +3.00D add
8. Fitting CL in Pediatric
79% success rate in congenital cataract
Using contact lenses for a few years and having
lens implants later could work better. (National Eye
Institute)
There was no difference in the vision between the
eyes treated with CL compared to IOL. But the IOL
group had more complications and required more
eye surgeries.
(Infant Aphakia Treatment
Study)
9. 1. Hydrogel Lens
Advantages Disadvantages
Initial comfort In high power, lens central thickness
, oxygen permeability , risk to
complications
Can be custom-made Prone to dehydration
Stable position Do not correct significant corneal
astigmatism
Required skill for insertion due to
large diameter
• Diameter: 2mm larger than HVID
11. 2. Silicone Elastomer
Advantages Disadvantages
Comfort Very expansive
Easy handling Heavy lipid deposits (hydrophobic)
High dk Limited power (highest +32.0D)
Less loss rate Large diameter
No UV protection
• Example: B&L Silsoft
• Base curve: flattest K + 0.1mm
12. 3. RGP
The best choice for elder children & small
palpebral fissure.
Fitting:
Diameter: 1-2mm smaller than cornea diameter
Power : retinoscopy & correct for vertex distance
Base Curve : slightly steeper
[flattest k – 0.1mm ]
Movement : 1.0 – 1.5mm
13. RGP
Advantages Disadvantages
Large range of parameters Risk of abrasion
Correct corneal astigmatism Initial discomfort
Durable Requires skill in fitting/removal
High oxygen permeability Higher loss rate due to small
diameter
14. Challenges & Complications
Lens frequently loss
Too expansive
Time consuming
Difficulty in lens handling
Non compliance
Greater risk of infection
Failure of treatment is related to treatment of
amblyopia, and not related to the fitting and wearing of
contact lenses.
(Moore BD,
1993)
15. References
Moore, BD. (1993) Pediatric aphakic contact lens
wear: rates of successful wear. J Pediatr Ophthalmol
Strabismus, 30(4):253-8.
Szczotka, LB. Pediatric contact lenses. California
Optometric Association.
Daniels K. (1999) Contact lenses. SLACK
Incorporated, 141-145.
Extract from: http://web1.sph.emory.edu/IATS/. Infant
aphakia treatment study.
Phillips AJ and Speedwell L. (2007). Contact lenses.
Butteworth Heinemann, 505-512.