| Sr No | Topic | Description |
|---|---|---|
| 1 | Product Name | Jackson Cross Cylinder Plastic Set of 2 |
| 2 | Product Category | Refraction Instrument / Astigmatism Testing Tool |
| 3 | Main Purpose | Used to refine cylindrical power and cylinder axis during subjective refraction |
| 4 | Target Users | Optometrists, ophthalmologists, refractionists, optical stores, hospitals, clinics, and optometry students |
| 5 | Clinical Applications | Subjective refraction, astigmatism correction, cylinder axis refinement, cylinder power refinement, prescription verification |
| 6 | Optical Principle | Equal plus and minus cylindrical powers are placed at 90° to each other to compare clarity in two positions |
| 7 | Common Lens Powers | Usually supplied as ±0.25D and ±0.50D cross cylinder lenses; confirm actual powers before final listing |
| 8 | Number of Pieces | Set of 2 Jackson Cross Cylinder lenses |
| 9 | Lens Type | Cross cylinder lens |
| 10 | Lens Material | Optical-grade plastic / acrylic lens, depending on manufacturer |
| 11 | Frame / Handle Material | Durable lightweight plastic |
| 12 | Axis Marking | Marked axis indicators for cylinder axis and power refinement |
| 13 | Optotypes / Symbols | Not applicable; used with external visual acuity charts or refraction targets |
| 14 | Testing Distance | Usually used during distance refraction at 6 m / 20 ft; can also be used as per clinical protocol |
| 15 | Method of Use | Lens is placed before the patient’s eye and flipped between two positions while patient compares clarity |
| 16 | Mounting / Holding | Handheld design with handle |
| 17 | Approx. Lens Diameter | 35–38 mm |
| 18 | Approx. Length of Each JCC | 12–14 cm |
| 19 | Approx. Width | 4–5 cm |
| 20 | Approx. Height / Thickness | 0.5–1.5 cm |
| 21 | Approx. Weight of Each Piece | 15–30 gm |
| 22 | Approx. Total Set Weight | 40–70 gm, depending on packaging |
| 23 | Colour / Finish | Usually black or dark plastic frame with clear lens and marked axis indicators |
| 24 | Cleaning | Wipe lenses gently with microfiber cloth; clean frame with suitable disinfectant |
| 25 | Reusability | Reusable clinical refraction instrument |
| 26 | Durability | Lightweight plastic construction designed for repeated refraction room use |
| 27 | Portability | Compact and easy to store in refraction room, trial lens case, or student kit |
| 28 | Accessories | May include storage pouch, box, or case depending on supplier |
| 29 | Material Icon Keywords | Optical-Grade Plastic Lens, Durable Plastic Handle, Lightweight Design, Axis Markings, Smooth Flip Use, Reusable |
| 30 | Product USP | Lightweight set of two Jackson Cross Cylinder lenses for accurate cylinder power and axis refinement during subjective refraction |
| 31 | Remarks | Exact lens powers, lens diameter, frame colour, dimensions, and weight should be confirmed from the actual product sample or supplier before final catalog upload |








