90D vs 78D Lens | Complete Comparison Guide β Ernest Vision
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Overview
Both 90D and 78D lenses are widely used for slit-lamp fundus examination. Each lens offers different magnification and field-of-view benefits.
Compare 90D and 78D ophthalmic diagnostic lenses. Understand magnification, field of view, and ideal clinical usage. Best lens options for retina specialists.
Comparison Table
| Feature | **90D Lens** | **78D Lens** |
| -------------------- | ------------------------ | -------------------------------- |
| **Magnification** | Lower | Higher |
| **Field of View** | Wider | Slightly narrower |
| **Detail Level** | Good | Very high |
| **Ideal For** | General retina screening | Detailed macular/optic disc exam |
| **Working Distance** | ~7 mm | ~8 mm |
| **Ease of Use** | Very easy | Requires precision |
Which Lens to Choose?
Choose 90D β If you want a wide field and general retina evaluation.
Choose 78D β If you need high magnification and more detailed retinal structures.
Available at Ernest Vision
Standard 90D
HD 90D
78D High Magnification
Anti-reflective coated lenses