Evidence-based Design and Fit


We are the first and only scleral lens design built upon six years of patient data on more than 7,000 eyes.

BostonSight SCLERAL—An Aligned Fit, Right from the Start:

  • Single starting point, regardless of patient diagnosis
  • Right and left anatomical design with unique scleral shape profiles
  • Built-in FSE (front surface eccentricity) designed to offer superior vision
  • SplineCurve™ Technology, allowing parameter change independence
  • SmartChannel™ Technology, facilitating fits over anatomical obstacles
  • No extra fees throughout the fitting process—customizations are included!
  • Comprehensive 22-lens fitting set
  • Lens diameters of 18.0mm, 18.5mm, and 19.0mm
  • Eaglet Eye ESP compatible
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Data Driven Eye


BostonSight SCLERAL allows you to customize each lens for every unique patient to ensure predictable and accurate outcomes.  Customization options include:

Quadrant Specific

Quadrant-specific Toricity

SmartChannel Icon

SmartChannel™ Technology

Visual Enhancement Icon

Visual Enhancement including Front Surface Toricity Correction

Patients report a 60% decrease in ocular surface disease index© (osdi©) score when fit with bostonsight scleral.


BostonSight SCLERAL offers a comprehensive range of parameters:


18.0mm, 18.5mm, and 19.0mm

Sphere power

–20.00 Diopters to +20.00 Diopters

Sagittal height

2.0mm to 6.0mm in 0.1mm (100µm) steps

Peripheral Haptic System (PHS)



  • Quadrant-specific toric PHS
  • Front Surface Eccentricity (FSE)
  • Front-surface toric Rx

Preferred Material

Optimum by Contamac,
Tangible Hydra-PEG available

Other Material Options

  • Boston® EQII
  • Boston® XO2
  • Optimum-Extra
  • Optimum-Extreme


BostonSight SCLERAL products can help patients with a range of eye disorders:

Irregular Cornea / Distorted Cornea

  • Keratoconus
  • Pellucid marginal degeneration
  • Keratoglobus
  • Terrien’s marginal degeneration
  • Salzmann’s nodular degeneration
  • Corneal dystrophy

Ocular Surface Disease

  • Dry eye syndrome
  • Ocular graft-versus-host disease (GVHD)
  • Sjögren’s syndrome
  • Stevens-Johnson syndrome
  • Chemical or thermal burns
  • Nerve damage
  • Herpes simplex
  • Shingles
  • Corneal exposure

After Eye Surgery

  • Cornea transplant
  • Photorefractive keratectomy (PRK)
  • Radial keratotomy (RK)
  • For injury
  • For scarring

I was suffering from severe diminished vision due to a cornea scar caused by an outbreak of shingles. I was finally referred to a doctor who fit me with the BostonSight SCLERAL lenses. I now have 20/20 vision again. It’s been an absolute life-changing improvement for me."

- Patient, UC Davis Eye Center