Address
RB Plaza (Store No. 23) , New Road
Kathmandu 44600
Work Hours
Sunday to Friday: 10AM - 6PM
Purpose of Usage
Refraction correction
Alleviating photophobia
Covering abnormal pupil color caused by diseases such as Albinism, Irideremia, Leukocoria, Corneal Scar and other symptoms
Bandage Lens
Specifications
| Product Name | SEED Iris Soft Contact Lens |
|---|---|
| Registration No. in Japan | 20900BZZ00438000 |
| Lens Material | Hydrogel |
| Pigment Material | Japan Government Approved Safe Colorants |
| Pigment Embedded Method | Dyeing the lens (Although the pigments directly contact the cornea, there is no safety problem for the pigments.) |
| DK value | 12 × 10-11 (cm2 / sec)・ (mLO2 / (mL × mmHg)) |
| Refractive index | 1.444 |
| Luminous transmittance | More than 94% |
| Water Content | 35% |
| Modality | Daily Wear up to 12 months |
| Cleaning & Disinfection | Daily Clean and Disinfect lens by non-abrasive and non-peroxide soft contact lens solution. |
| BC | 5types (8.00mm, 8.30mm, 8.60mm, 8.90mm, 9.20mm) |
| Power Range | 0.00D ~ ± 10.00D (0.25D increments) ±10.50D ~ ± 25.00D (0.50D increments) |
| Diameter | 12.00mm ~ 15.00mm (different by bas curve, 0.5mm increments)When BC is8.00mm:12.0mm~13.5mm8.30mm:12.0mm~14.0mm8.60mm:12.0mm~14.5mm8.90mm:12.0mm~15.0mm9.20mm:12.0mm~15.0mm |
| Centre Thickness | 0.13mm (-3.00D) |
| Design | 5 Types |
| Iris Diameter | Please refer to color chart as diamenter is different by type |
| Pupil Diameter | Please refer to color chart as diamenter is different by type |
| Color in Iris Part | Brown 3 type (A,B,C), Black 1 type (D) |
How to choose Pupil Diameter?
- Standard: 3mm
- If the patient is young, can consider 3.5mm
- If the patient aims to have vison correction and reduce photophobia , can consider 2mm
How to choose Iris Diameter?
- Standard: 11.5mm
- Match with the DIA of the other eye.
How to choose Colour?
- Standard: Brown (C)
- Match with the color of the other eye by provided color chart.
How to choose Type?
- Patients aiming to have vision correction, appearance improvement, photophobia reduction due to poor miosis > Type No.3
- Patients aiming to have photophobia reduction > Types No.1, No.4
- Patients who do not need vision correction, and aim to improve their appearance>Type No.2, No.5
Base Curve/ Fitting :
- Due to hygiene and custom-made characteristics, no trial lens available for fitting.
- Regular cornea: empirical method (BC~mean K +0.8mm); Irregular cornea (Topographer ref.)
- We suggest the first ordered lens with: Base Curve (BC): 8.6mm and Diameter (DIA): 13.5/14.0mm.
- Apart from “ordering by lens “, we offer “ordering by case ” that each lens can be exchanged 1 times within 60 days after delivery.
- Practitioners can adjust the fitting by BC and DIA according to the fitting of the first ordered lens.
- Fitting guide:
•good centration and coverage.
• movement after blinking: 1.0 ~ 1.5mm
• no indentation of blood vessels at lens edge.
For example
Basic Data needed for prescription:
| Eye of Wearing | BC | Power | DIA | Type | Iris Diameter | Pupil Diameter | Colour |
|---|---|---|---|---|---|---|---|
| R | 8.6 | ‐3.00 | 13.5 | NO.3 | 11.0 | 3.0 | C |
Type No.1, No.4 : BC, Power, Diameter, Type, Iris Diameter, Colour (Pupil Diameter is not required)
Type No.2, No.3, No.5: BC, Power, Diameter, Type, Pupil Diameter , Iris Diameter, Colour