Micro Technology Ltd is a fully mobile hearing specialist company dedicated to hearing health. We offer the most comprehensive diagnostic hearing assessments currently available in the comfort of your home. Our highly trained hearing specialists are dedicated to providing the most thorough evaluation possible using the latest clinical technology for assessment and hearing aid fitting. All of these services are available in the comfort of your home or in one of our clinic locations. Click here to see what our customers have to say.

Interest-free payment options are available, subject to status. Contact us on 01206 823603 or book an appointment online.



Graeme E Sly Bsc (Hons) Degree, BSHAA

Graeme is our Senior Audiologist and Founder of Micro Technology Ltd. Since qualifying as a Hearing Aid Audiologist in 2002, he has worked in the private hearing aid industry for 17 years both here and in New Zealand.

Graeme has extensive experience in home visits, branch based practices and visiting day centres. He has experience in working with Public Private Partnerships (PPP) working with the NHS in reducing patient waiting times for hearing aid fittings.

He has an extensive knowledge of diagnostic hearing assessments and is a specialist in Real Ear Measurement (REM) hearing aid fitting validation. He is considered to be a specialist in hearing aid fitting and programming of current digital hearing aid products available from the current manufacturers.

Since 2013 Graeme has taken his academic qualifications further through Anglia Ruskin University in Cambridge, researching fitting strategies for single-sided deafness (SSD), tinnitus and advanced audiological hearing evaluation. His most recent assignments can be viewed or downloaded from the links below.

With his extensive knowledge of audiology, he has a wealth of information on hearing health care and he would be happy to assist and advise you in any way he can.

Please click on the links below if you would like a free printable copy of the research assignments

Tinnitus – Taking Control
Management strategies for Single Sided Deafness
Delays in Help - Seeking Behaviour
Implantable Devices – Training Manual
Paediatric Patient Journey

Valli Sly BEd (Hons) Degree

Valli is the co-director of Micro Technology Ltd. She qualified as a primary school teacher in 1996 after studying a four year BEd Hons Degree and spent twenty years in the profession teaching in local primary schools. During her teaching career she led the Literacy curriculum, coordinated the Maths curriculum and was School Assessment Leader. In February 2017, she re-trained to join the Micro Technology Ltd team.

Since the beginning of 2017, she has been fully involved in every aspect of Micro Technology Ltd including managing accounts, diary management, patient aftercare, advertising, staff incentives and business development.


Practice Manager and Associate

James Hanks FBDO

Eyes Open Opticians
Hanks & Peck Opticians
Wivenhoe Eyes Open Opticians

At Eyes Open you are not just a statistic, you are our patient! We strive to create a friendly and relaxed enviroment whilst, at the same time, providing customers with the latest technology.
In a market that is competing with very large multiple groups, our patients appreciate the personal touch and bespoke service that we offer;no matter what your requirements, we always do our best to ensure that we meet your needs.
We see both Private and NHS patients, as well as children.